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IBM

Why Certified IBM memory?

Check the IBM ServerProven compatibility Web site to ensure that the memory has been tested and certified as being supported for your system. Most third party memory does not meet the stringent performance and quality guidelines required by IBM, and thus is not supported in IBM systems.

Please take note of the following:-

  • SDRAM memory in a server can be either registered or unbuffered. The two types cannot be mixed. In registered memory, the registers provide a controlled delay in communication with the chipset. This delay is one clock cycle. This ensures that the clock edge collects all the data, and ensures that the data is accurate and complete in heavily loaded memory systems.

In unbuffered memory, the chipset controller deals directly with the memory. No registers are between the chipset and the memory as they communicate with each other.

  • Using incompatible memory is the most common reason memory upgrades do not work. While incompatible memory may work to some extent, it can lead to unpredictable system behavior including data corruption and poor system performance including blue screen stop errors, NMI errors, and intermittent lockups.
  • Memory installed after receipt of the system should be verified as fully compatible with the system. It is important to make sure that you are using the correct part numbers when selecting computer memory.

Any third party memory must be a direct replacement for the IBM option part number or replacement (FRU) number.

  • When adding memory to a system that uses interleaving, the memory modules must be added in sets of two. Memory interleaving enables memory banks to be accessed simultaneously rather than sequentially. Interleaving can only occur between identical memory modules. Banks of memory are combined and organized into even and odd bytes.

In this arrangement, a data request can be made to one bank, and while that request is pending, a second request can be made to the other bank. Interleaving access to memory increases system performance, because read and write activity occurs nearly simultaneously across multiple memory modules.

00D4968 IBM 16GB PC3-12800 ECC SDRAM DIMM

R2,326.00
00D4968 IBM 16GB PC3-12800 ECC SDRAM DIMM Description: IBM Dual Rank 16GB (1x16GB) ECC PC3-12800 Registered Part Number(s) IBM Part# 00D4968 ... more info

1GB DDR2 PC2-3200 400MHz CL3 ECC Registered 240pin IBM 39M5808

R395.00  R274.85
1GB DDR2 PC2-3200 400MHz CL3 ECC Registered 240pin IBM 39M5808 38L5915 73P2866 39M580 Brand: IBM Part #:39M5808 38L5915 73P2866 39M580 Specs:... more info

41T8258 IBM 0/32GB DDR3 1066MHz CUoD Memory DIMM for Power7 Svrs


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IBM 0/32GB DDR3 1066MHz CUoD Memory DIMM for Power7 Servers with Part #: 41T8258 Brand: IBM Part #: 41T8258 Specs:- Type: Server Memory ... more info

44T1580 Original IBM 8GB (1X8GB) 2RX4 PC3-8500R MEMORY 43X5294

R1,101.00
44T1580 Original IBM 8GB (1X8GB) 2RX4 PC3-8500R MEMORY 43X5294 44T1579 Description: IBM Dual Rank 8GB (1x8GB) ECC SDRAM PC3-8500 CL7 1066MHz... more info

46C7420 IBM 8GB PC2-5300 ECC SDRAM FB DIMM

R2,056.00
46C7420 IBM 8GB PC2-5300 ECC SDRAM FB DIMM Description: IBM Quad Rank 8GB (2x4GB) ECC SDRAM PC2-5300 CL5 FBD 667MHz Buffered Part Number(s) IBM... more info

46C7525 IBM 8GB PC2-6400 ECC SDRAM RDIMM

R1,799.00
46C7525 IBM 8GB PC2-6400 ECC SDRAM RDIMM-USED Description: IBM Dual Rank 8GB (2x4GB) ECC DDR2 Memory Kit SDRAM VLP PC2-6400 CL6 800MHz... more info

46C7577 IBM 16GB (2 x 8GB) PC2-5300 Memory Kit

R2,680.00
 46C7577 IBM 16GB (2 x 8GB) PC2-5300 Memory Kit Description: IBM 16GB (2 x 8GB) PC2-5300 CL5 ECC DDR2 Memory Kit Part Number(s) IBM Part#... more info

46W0800 IBM 32GB PC4-17000 TruDDR4 Memory LRDIMM

R8,923.00
46W0800 IBM 32GB PC4-17000 TruDDR4 Memory LRDIMM Family : IBM x3650 M5 Low Power (LP) Load-Reduced DIMMs (LRDIMMs) Memory Kits ... more info

49Y1404 IBM 4GB PC3-10600 ECC SDRAM DIMM

R1,934.00
49Y1404 IBM 4GB PC3-10600 ECC SDRAM DIMM THIS IS AN IBM 4GB PC3L-10600E DDR3-1333 UNBUFFERED ECC 2RX8 1.35V MEMORY MODULE Description: IBM... more info

90Y3105 IBM 32GB PC3L-10600 ECC SDRAM DIMM

R7,076.00
90Y3105 IBM 32GB PC3L-10600 ECC SDRAM DIMM Description: IBM Quad Rank 32GB (1x32GB) ECC PC3L-10600 Registered Memory Part Number(s) IBM Part#... more info

90Y3220 IBM 16GB PC3-8500 ECC SDRAM DIMM

R2,803.00
90Y3220 IBM 16GB PC3-8500 ECC SDRAM DIMM This Part # 90Y3220 - is an IBM 16gb Pc3-8500 Ddr3-1066 4rx4 1.35v ECC VLP RDIMM ... more info
95Y4808 IBM 32GB PC4-17000 TruDDR4 Memory RDIMM
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95Y4808 IBM 32GB PC4-17000 TruDDR4 Memory RDIMM

R6,850.00
 95Y4808 IBM 32GB PC4-17000 TruDDR4 Memory RDIMM Family : IBM x3650 M5 Low Power (LP) Registered DIMMs (RDIMMs) Memory Kits ... more info

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