nothing to lose. Before I can do this I need to upgrade the BIOS as its currently running on Version 2. In theory, it can address 16 Exabytes of RAM. 29-08-2020 12:00 PM. XPG Spectrix D50 16GB (2 x 8GB) DDR4 3200MHz Desktop Memory. 128 GB. Shop Amazon for A-Tech 4GB (2X 2GB) Max Memory RAM Kit for Dell Optiplex 320, 210L, 210LN, (Minitower, Desktop) - DDR2 533MHz PC2-4200 Non-ECC DIMM Modules and find millions of items, delivered faster than ever. 0, TPM 1. 0 GHz. A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade. Lifetime Warranty. OptiPlex 3090 Micro. 2, and RAID 0 & 1. Back up and take picture of keys. Dell OptiPlex 745 Systems User's Guide Publish date: 01 JUN 2006. com. This after I exchanged emails with them at the time and linked them the Tech Guide. Hi!. My 745 came with a 3. Thanks for the inquiry. Description Values. Help Me Choose. Current OS xp pro. Supports Dual Channel DDR2. Get the best deals on Dell Optiplex 745 Motherboard and find everything you'll need to improve your home office setup at eBay. Enter model or choose from the list below. I want to upgrade all my pc components to max like processor, graphics ,memory etc. 0 5 FRONT VIEW 1 Optical Drive 7 Network Connectivity Light 2 Optical Drive Eject Button 8 Microphone Connector. compare. 89. Device Management. 25-03-2011 13:00 PM. Make sure you either search by model number or. quad core. Crucial. 5 GB/s in dual channel mode 667MHz: 10. 00 mm (6. I recently bought an Optiplex 9020 in the mini-tower case, with 32 GB RAM, i7-4790, and a GeForce GTX 745 video card with 4 GB RAM on it. Specs. OptiPlex Tower Plus with 260W Bronze Power Supply. . The OptiPlex 745 supports the following processors: Intel Core 2 Duo Processor E6700 (4M Cache, 2. " I meant to say "I have yet toCrucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 745c - FREE US Delivery. If you are still unsure you can use our Online Chat for assistance or call our knowledgeable sales team at (800) 662-7466. Dell Optiplex 745 Minitower Upgrade. They all have 8 GB of PC2-6400 DDR2 800 Mhz RAM. Maximum Memory: 16GB: Maximum Memory Per Slot: 4GB: Number Of Memory Sockets: 4: Device Specifications; Make & Model: Dell Optiplex 7020 Mini Tower [MT] Device Type: Desktop: Memory RAM Type: DIMM:. 8GB 4X2GB Dell OptiPlex 745 DDR2 PC2-5300 Memory. 0. Below memory compatibility will be DDR3 unless stated otherwise. Let the Dell Support Videos page help you troubleshoot both simple and complex issues. 0ghz Can i use this spc of graphics card mainly fir hdmi out i dont game just wish to use it for the hdmi out and i mainly use prog. OptiPlex 210L OptiPlex 210Ln OptiPlex 3000 Micro OptiPlex 3000 SFF OptiPlex 3000 Tower OptiPlex 3010 Desktop OptiPlex 3010 Mini Tower OptiPlex 3010 Small Form Factor OptiPlex 3011 All-in-One OptiPlex. 4. Data Memory Systems’ Memory Finder will help you make the correct choice. My only fear is that the BIOS won't recognize the 64GB. Unsolved. 8 Specifications of OptiPlex 5000 Small Form Factor Crucial Scanner. The Dell Optiplex 745 Desktop provides the perfect blend of relevant technology that users demand, all at a price that won't bust the budget. DELL OptiPlex 3010 7010 9010 DT250W L250ED-00 PS-5251-11DA Power Supply tc32. com. 86 GHz, 4GB DDR2 SD Ram, 500 GB HDD, NVIDIA GeForce 210 1GB DDR3 PCI-E x16 Graphics Card, LG DVD Writer Super Multi, HCL 17" Generic PnP Monitor 1280x1024 Resolution (Only. These items are shipped from and sold by different sellers. I would like to use 2x2Gb DDR2 800mhz but on the datasheet it says: Supported modules: 512-MB, 1-GB, or 2-GB (800MHz not available in 2GB DIMM)I tried resetting the ram but same problem. The PC2-5300 (667 MHz) I/O Bus clock speed showed 333 MHz. Get the best deals on Dell OptiPlex 745 Towers and find everything you'll need to improve your home office setup at eBay. 26-07-2016 06:00 AM. Release date . SMALL FORM HARD DRIVE OPTIONS Supported Types Serial ATA or. 66 GHz, 1066 MHz FSB) Intel Core 2 Duo Processor E6600 (4M Cache, 2. In theory, it can address 16 Exabytes of RAM. What can we help you to find. Optiplex 745 USFF RAM capacity. DDR3 and DDR3L are socket compatible, however, It is NOT compatible with computers using 4th Generation Intel (Haswell) processors, which exclusively support 1. Question; Question Old Dell optiplex gx280 upgrade. 66 GHz. Radeon 1300x to GTX 1050 Mini. 25-03-2011 13:00 PM. I can't speak for all of Dell's PC and server manuals though as I certainly can't answer questions on all of them. Dell™ Optiplex™ 745c power efficient performance Dell is committed to offering the latest in powerful, energy efficient PC’s. single thread cpu mark for 3770k or 3770 is 2080, for i5-3470s is 1890. 8V Compatible System: Dell Optiplex 745, 745C Series Desktop CAS Latency: 6 Timing: 6-6-6 Model #: 849005065320 Item #: 9SIAAFJ4GW6205 Return Policy: View Return Policy $40. 8: Memory 65. Supports Dual Channel DDR2. The Optiplex 745 from Dell is a small form factor desktop that offers plenty of value in a little package. The "Dell Optiplex Technical Guidebook Ver. Dell Optiplex 7010 Small Form Desktop, Intel Quad Core i7. KingstonMemoryShop stocks memory upgrades for your Dell Optiplex 745 Desktop to boost performance and capacity. is your new memory non-ECC? Memory. optiplex 745 2. A Dell optiplex 745. Memory specifications . Optiplex 3080 Spec Sheet. In late April, Crucial sold 1,600MHz RAM to another 780 user and it didn't work. maybe it's because the 2 gb sticks might need to run at a higher voltage (speculation). It is always recommended to add RAM in pairs or 4 at a time in matched kits. Instantly check how much Memory you currently have installed: Model Guide: Download User Guide for your Dell Optiplex: Important Notes: The Mr Memory upgrades below are 100% Compatible for your Dell. CAD $1,469. DisplayPort, Up to. The Q6600 should work, unless the BIOS has not been. Memory modules supported. Publish date: 01 JUN 2006. I want to extend the memory to maximum. Intel Celeron 430 (1. I understand that this CPU supports upto 32 GB RAM. HERE is the Crucial Memory listing for the 380 "mini tower". It is also sometimes possible to mix 2 RAM DIMMs ("sticks") that are almost the same, but just slightly. Optiplex 745 Processor. See answer (1) Best Answer. 66 Ghz. The Hynix RAM is good RAM, I just would not recommend mixing 2 x 2 and 1 x 4 and 1 x 8. . 0 - 3. A memory upgrade is the easiest and. Buy Memory RAM Upgrades for your Dell Optiplex 780 [Desktop] - 100% Compatibility Guaranteed. 9 out of 5 stars 13 ratings. Whether you are looking to configure your OptiPlex 745 / 745c yourself or upgrade it, equipping a device with sufficient RAM is one quick and easy way to ensure smoother. dual-channel: 512 MB; single-channel: 256 MB. The first model to sport the new BTX layout was the OptiPlex 170L and also the OptiPlex GX280 had a BTX variant albeit uncommon. I am running Microsoft Windows 7 Enterprise. Supported memory configuration for Dell Optiplex 745? Posted by Noctis0791 on Sep 8th, 2019 at 8:13 PM Solved Dell Hardware Hi Everyone, I would like. Maximum RAM. However, I was wondering if the included 305W. single-core or dual-core Pentium's and Core 2. Maximum Memory; 4. 9: 77. Hello. Buy 4GB kit (2GBx2) Upgrade for a Dell OptiPlex 745 Series (Desktop Mini-Tower and Small Form Factor) System (DDR2 PC2-6400, Non-ECC, ): Memory. 5 out of 5 stars 15Maximum memory 8 GB (2GB per channel) 4 GB (2GB per channel) Bandwidth 533MHz: Up to 8. Dell™ OptiPlex™ 745 Tech Specs MINITOWER DESKTOP SMALL FORM ULTRA SMALL FORM FACTOR . Business and gaming graphics: 6. ) Depth 292. single-core or dual-core Pentium's and Core 2. I got a not so new Dell optiplex 745 with a old Intel Pentium 4 530 @3. #3. Large Screen, Large Workspace. Since I saw Samsung listed in redxps' list: Samsung M378A2G43AB3-CWE 16GB DDR4 3200MHz PC4-25600 1. This item: 8GB 4X2GB Dell OptiPlex 745 DDR2 PC2-5300 Memory. 89 NOTE: 2-GB 800-MHz memory modules are not supported. Hello when i turn om the pc it turns on but i get a solid orange light on the power button and on the board. Maximum System Memory (uses 2GB DIMMS) 8GB1 8GB1 8GB1 4GB1 800MHz Memory configurations 8GB1 DDR2 Non-ECC SDRAM, 800MHz, (4 DIMM) X X XDell OptiPlex from 2005 to 2009 followed Intel's BTX standard. Genuine CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from CMS 2pcs. A Dell Optiplex 745 is only worth about $75. In the Dell "Tech Specs" for the Optiplex 745 in the memory section, there is this note: Modules Types Supported 512-MB, 1-GB, or 2-GB (800MHz. 24 lbs. View PDF. First of all you have to upgrade the motherboard then the supply and then you will be able to put a cpu. 89 $ 64 . Our problem was that 2 DIMM modules (out of 8) were defective. If you can give me the model of your motherboard, I can make a recommendation. So you didn't list your current configuration. Submit Search. Optiplex 7000 has about 40 users benchmark . - PC Builds. 99. Dell Optiplex 9020 Small Form Factor Desktop with Intel Core i7-4770 Upto 3. if your looking at one of these i would reccomend them because they blend into everyday use and tasks. It controls the keyboard, monitor, disk drives, and other devices. Graphics Video Max Memory 2 GB. Maximum System Memory (uses 2GB DIMMS) 8GB1 8GB1 8GB1 4GB1 800MHz Memory configurations 8GB1 DDR2 Non-ECC SDRAM, 800MHz, (4 DIMM) X X X32-bit Windows has an address space of 4GB. responsiveness and support of 64-bit computing" Dell Optiplex 745. 1600mhz memory will only perform as 1600mhz memory when 3rd generation (iVb) cpus are used. Other standard loadouts for the Dell Optiplex 745 include Ethernet. Free delivery and free returns with a 100% money back guarantee. 30 mm (12. The Computer has 2 sockets to install memory, already with basic factory installed standard memory installed. DDR2 PC2-5300 667MHz / PC2-6400 800MHz Non-ECC DIMM. Memory modules supported 256-MB, 512-MB, 1-GB, or 2-GB non-ECC. If you fit a graphics card with 1GB of memory only about 2. Example:i'm going to go ahead and try it. GX620= Pentium D or Pentium4 with 4 GIGS max DDR2 RAM = $100 or less in many places. The all have Core2 Quads, Q6600 for 745's and Q9400S's for 755. 77. 5 out of 5 stars 13. Can 8gb dimms be used in these machines? I think I saw a discussion somewhere that an even older dell was successfully running a full 32 gb. 6. Maximum RAM; 4 GB (4 x 1 GB 800 MHz)/8 GB (4 x 2 GB 667 MHz) RAM Expansion Slots / Banks; 4 sockets: RAM Type & Info; PC2-4200/5300/6400. Upgrading to 4-8 GB if you want to run Windows 10 is a good idea. 35 V operation for memory. Specifications of OptiPlex 5000 Tower. Can anybody clearify this Statement from the product brief: "Delivers up to 12. A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade at Amazon. Maximum memory. $19. I stuck 6 GB of RAM, a 500 GB laptop hard drive, and a MSI Radeon R7 240 graphics card into it. This item: 8GB Kit (4X2GB) Dell OptiPlex 745 DDR2 PC2-5300 Memory. Lifetime Warranty. 800 aka PC2 6400 ram works but must be low density and 1R or 2R. 4GB 2 X 2GB Memory for Dell Optiplex 160 330 360 740 745 745c 755DT 755MT 755SFF 760DT 760MT 760SFF 960 FX160 GX520 GX745 GX755 SX280. I wanted to add just a small SSD as a boot drive and keep the HDD for storage, but it is a SFF and that HDD in that big tray with a fan takes up a ton of room. $999. OptiPlex 3090 Small Form Factor. With the max spec for the 3080 being 2666MHz, faster RAM, even though may be compatible, will likely run at 2666MHz. I recently bought an Optiplex 745 Form with the intention to max out its capabilities, as it stands its standard, 80gb hdd, with an total of 2gb ram and an ati radeon x1300 256mb g/card. The system has a 1gb chip installed from the factory. 77 in. Reginant, The Xeon E5430 2. Category. Copy. OptiPlex Desktops & All-in-Ones; Inspiron Desktops & All-in-Ones. Max Supported: Ultra Small Factor model: 4 GB / All other models: 8 GB. Here's the Intel specs on an Intel motherboard with a H61 Express Chipset (same as OptiPlex 390) - Max Memory 16 GB using 2 DIMMs (in other words, 2x8GB). DDR2 is dirt cheap now too, and you can get this for under 10 on ebay. (9. 2GB PC2-6400 DDR2-800 CL6 16c 128x8 240p SDRAM DIMM Compatible with Dell OptiPlex 745, 745c, 745 ultra small form Max memory: 8GB or 4gb Sockets: 4 or 2 Guaranteed to. I'm linking the Optiplex 780 Tech Guide for your upgrade options as far as RAM and CPU. Buy Memory RAM Upgrades for your Dell Optiplex 745 [Mini-Tower] - 100% Compatibility Guaranteed. This came out of the Optiplex 320: ProMOS Technologies V916765K24QBFW-F5 1GB 2Rx8 DDR2-667-MHz-CL5 PC2-5300U-555-12-EO 0720-W2863369. (example: DDR3L) DDR3 is not backward-compatible with DDR2. 66Ghz, 95w and 1333mhz bus speed. 18. Yes. 667 aka PC2 5300 ram works with some but not all and must be 5 5 5 12 timing. The NVIDIA Quadro K620 offers impressive power-efficient 3D application performance and capability. CMS 8GB (4X2GB) DDR2 6400 800MHZ NON ECC DIMM Memory Ram Upgrade Compatible with Dell® Optiplex 745, 745C Series Desktop - A92. * Recommended Upgrade 240GB 2. $3727. I have a optiplex 745 (winxp sp2) that has an OS that only sees 508mb of ram. Help Me Choose. DDR2 PC2-6400 • CL=5 • Unbuffered • NON-ECC • DDR2-800 • 1. The new 745's are all SATA and my image will no longer boot. Adding memory is one of the most cost-effective ways to improve your computer's performance. Memory RAM for Optiplex 755 Desktop. Fast & Free shipping on many. The following table lists the memory specifications of your OptiPlex 5000 Small Form Factor. Dell Optiplex 745 System BIOS. Memory modules supported 256-MB, 512-MB, 1-GB, or 2-GB non-ECC. NEW WEI ratings (using this HD5450 card) Windows Aero: 5. Voltage: 1. It has 4 memory slots and came with 4 Hynix dimms, 2gb each, for a total of 8gb. $29. Dell™ OptiPlex™ 745 Tech Specs MINITOWER DESKTOP SMALL FORM ULTRA SMALL FORM FACTOR . $20. Crucial RAM is one of the most Dell compatible RAM types. 533 aka PC2 4200 is TOO SLOW for ANY 745 with ANY processor. Maximum memory. DDR3 and DDR3L are socket compatible, however, It is NOT compatible with computers using 4th Generation Intel (Haswell) processors, which exclusively support 1. 13 GHz, 1066 MHz FSB) Dell™ optiplex™ 740 technical guiDe 3 DELL ™ optipLEx ™ 740 The Dell OptiPlex 740 is the right choice for customers aiming to balance image stability and end-user performance. From the Intel Core vPro processors and Intel GPUs to deliver business. SATA data cables on Amazon. In Stock. DDR3 and DDR3L are socket compatible, however, It is NOT compatible with computers using 4th Generation Intel (Haswell) processors, which exclusively support 1. Find Replacement Memory (RAM) for your Dell computer by selecting the product brand and/or model to find parts compatible with your Dell device. Mmansueto. 8: 1-Core 29. I have this problem too (0) What type of RAM can I use to add to or replace my old RAM?. 10/5/2009. Below memory compatibility will be DDR3 unless stated otherwise. Dell is very proprietary. Optiplex 7000 Small Form Factor Parts & Upgrades Dell Memory Upgrade - 16GB - 1RX8 DDR4 UDIMM 3200MHz . 4: 35. 1 bios mak. 800MHz FSB, Intel Q35 Express Chipset. The following table lists the memory specifications of your OptiPlex 5000 Small Form Factor. So it looks like the comment I mentioned in my first post either was referring to a parts availability issue or a HW issue that Dell fixed. pretty simple way to make a fast computer even faster. DDR2 PC2-5300 667MHz / PC2-6400 800MHz Non-ECC DIMM. Intel Q35 Express Chipset. I got a not so new Dell optiplex 745 with a old Intel Pentium 4 530 @3. I have flashed first the 04 bios update and then the 07 update. I have an Optiplex 380 with 2 RAM slots which was listed as 4GB cpacity and I'm running 2x4GB=8GB DDR3 just fine. $49. Description Values. 240w in the SFF. If you look at the specs via the intel ARK page for the CPU, it says it supports up to 64GB of RAM. 0. My computer is a "refurbished" old minitower. 99. The specs for OptiPlex 745 Desktop comes in these configurations with a retail price tag. 40 GHz, 1066 MHz FSB) with SPEC Code(s) SL9S8, SL9TZ, SL9ZLHi guys I have bought Princeton 2 GB DDR2 800 MHz Dual channel when I installed the ram on my computer DELL OPTIPLEX 745 2 and 4 error lights glow. I've been hearing via semi-trusted sources that the Dell BIOS team has been beefing up allowable RAM capacity (in Latitude D Series) and I was wondering if perhaps the Opti 745 USFF might be getting a bump in RAM capacity via a BIOS update. I tried resetting the ram but same problem. Dell OptiPlex 755 (57) Dell OptiPlex 745 (55) Asus P5G41T-M LX (50) Asus P5K-E (46). Buy Kingston Dell OptiPlex 755 DT/MT/SFF Desktop Memory RAM & SSD upgrades. Compare. Effective Speed -156% Effective Speed -156% Average Score -517% Memory -27%, 1-Core -518%, 2-Core -504%,. 35 V operation for memory. Example:29-07-2021 14:00 PM. Max Resolution (HDMI)‡ 4096x2304@24Hz. 391 sold. I have found out that you cant count on the technical sheets from Dell. Free delivery and free returns with a 100% money back guarantee. 1. 4 GB. 7 GB/s with dual channel. Core, Intel Inside, Intel Inside Logo, Intel vPro, Itanium, Itanium Inside, Intel Evo, Intel Optane, Iris, Itanium, MAX, Pentium. (4M Cache, 2. Safely scan your system for max upgrade options. DDR3 and DDR3L are socket compatible, however, It is NOT compatible with computers using 4th Generation Intel (Haswell) processors, which exclusively support 1. In your case, your Dell Optiplex SFF 745 model's 275Watt power can easily support graphics cards with. According to the OptiPlex Memory Compatibility Guide. Max Resolution (DP)‡ 3840x2160@60Hz. 6. The Dell OptiPlex 7000 Series are intelligent desktops built for ultimate expandability and performance. •4 GB, 1 x 4 GB, 2666 MHz for Intel Core i3/i5 processors, 2933 MHz for Intel Core i7/i9 processors. The 745 uses a Q965 Express. 00Ghz with 1gb of sYstem RAM, a 80gb seagate hard drive, a 305w power supply And integrated intel gma 3000 graphics, my question is, Can i replace the old Pentium 4 that is 90nm with a Pentium e5500 or a Core 2 Duo e6750 tha. I saw some don't come with an HDD. Memory Type & Info. I have an Opti 380. This high level of power management, combined with Power. An SSD isn't really needed on such an old machine. All Mr Memory recommended upgrades are 100% compatible with your Dell. Hi MDLians (Or you prefer MDLions) I have a DELL Optiplex 745, CPU 2. Guaranteed Compatible with Dell OptiPlex 780 Computer. 0. The total maximum RAM for all four shown there is only 16GB, and that chart shows that the only. A-Tech 8GB (4X 2GB) Max Memory RAM Kit for Dell OptiPlex 755, 745, 740, (MT, DT, SFF) - DDR2 667MHz PC2-5300 Non-ECC DIMM Upgrade 4. 3 4. 66 GHz, 1066 MHz FSB) is max. Looks like if you use 1 stick of 512 memory it will run single channel. Motherboard swaps are near impossible. 6. Solution. I want to upgrade my processor to the Core 2 Quad Q9650. 4) After a fresh install of Vista Business 32-bit, the system boots up and seems fine. 89 $ 64. 00 P&P. The E5430 uses DDR3-1066 or 1333 RAM and the Optiplex 745 uses DDR2 which is maximum of 800Mhz. Experts in Dell Optiplex compatible upgrades. do you think guys. 71. I know there is not much difference between Q6700 and a Q6600, but the main thing, is that it IS an option. SMALL FORM HARD DRIVE OPTIONS Supported Types Serial ATA. Andrew. guven6. Hello, 'Old but gold' company's 745 just had its HDD physical failure />60 000h/ wit original DELL'sWin XP on it. Customized deployment, remote management and flexible security features can help you simplify your. Best choice memory for Dell OptiPlex 745 Ultra Small Form Factor Computer Read MemoryStock Reviews. Table 1. Backed by a lifetime warranty Kingston memory is an excellent choice if you are looking to upgrade. Page 1: Form Factor Dell™ OptiPlex™ 745 Tech Specs SMALL FORM ULTRA SMALL MINITOWER DESKTOP FORM FACTOR CHIPSET Intel® Q965 (ICH8) Express Chipset OPERATING SYSTEM Dell Supports: Microsoft® Windows® XP Professional Microsoft® Windows® XP Home Edition PROCESSOR Intel® Core™ 2 Duo 1066MHz FSB Socket T with Dual Core technology XD, EM64T, 2MB and up to 4MB L2 cache, EIST and VT (E6000. I am looking to add another 8GB of RAM, but the same memory module is difficult to obtain in my location. XPS 8950 SSD question. OptiPlex 160L. Minimum memory dual-channel: 512 MB. A memory upgrade is the easiest and. Dell sometimes does custom implementation of the Intel spec for a chipset. Hard Drive: GB means 1 billion bytes and TB equals 1 trillion. I got a optiplex 745 lying in the back and it. Lifetime warranty on all Memory / RAM. But I will try adding one first, so is it supported to have 2x 1GB and 1x 2GB sticks configuration? The existing memories are DDR2 PC-5300 by t. This includes swaps between different Dell models. $29. Any suggestions would be appreciated. $ 215. Above is from the 780 Tech Guide. The S Spec is the numbers written on the top of the cpu. Subject: Statement of Volatility – Dell OptiPlex 745 To whom it may concern: The Dell OptiPlex 745 contains both “volatile” and “non-volatile” (NV) components. Memory slots Four UDIMM slots Memory type Dual-channel DDR4 Memory speed 3200 MHz Maximum memory configuration 128 GB. As I posted above, the 780 takes either 1,066MHz or 1,333MHz RAM. The OptiPlex 745c based on vPro technology is powered by the Intel Core™ 2 Duo processor, giving IT the dual-core, 64-bit capable performance needed to run some of theGX150 = Pentium 3 or Celeron with 512 megs max pc133 SDRAM. Manage your Dell EMC sites, products, and product-level contacts using Company Administration. Yes, that's an i7-2600 SR00B in there! All appears to be going well, but it's only the first day with 16GB. System. Dell OptiPlex 745 2. Thanks guys but there is no image on the monitor. The PC2-6400 (800 MHz) I/O Bus clock speed showed 400 MHz. $138. Both dual-channel and single-channel configurations are supported. More speed with little fuss: Installing and testing RAM modulesOptiPlex 390. I removed all ram from the&nbs. 4 Slots. Windows Vista, 32-bit. I got a not so new Dell optiplex 745 with a old Intel Pentium 4 530 @3. Solution. Can anybody clearify this Statement from the product brief: "Delivers up to 12. Dell extends the OptiPlex 740's value by offering a longer lifecycle with proven industry-standard features such as ASF 2. Win98 SE,Win 2K,Win. Our problem was that 2 DIMM modules (out of 8) were defective.