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Two green 240-pin DDR2 ECC registered DIMM sticks in static bag

Computer Memory Solutions

Computer Memory Solutions 16GB (2x8GB) DDR2 667MHz ECC Registered DIMM - B51

SKU CH-4V90-V7Y2X

16 GB DDR2 ECC registered dual-channel kit for Supermicro X7DCA and X7DCL server motherboards

  • Capacity16GB (2 x 8GB)
  • Type240-Pin DDR2 SDRAM
  • SpeedDDR2 667 (PC2 5300)
  • CAS LatencyCL5
  • Timing5-5-5
  • Voltage1.8V
  • 16 GB dual-channel kit for server stability
  • DDR2 667 MHz registered ECC for data integrity
  • 240-pin 1.8 V modules fit Supermicro X7DCA/X7DCL boards
  • Two 8 GB 2Rx4 sticks enable 48 GB maximum capacity
  • CMS lifetime warranty backs guaranteed compatibility

Server DDR2 ECC Upgrade Kit

This 16 GB kit contains two 8 GB registered ECC DIMMs built for the listed Supermicro X7DCA and X7DCL motherboards. Each module runs at 667 MHz with CL5 timing at 1.8 V. The registered design and error-correcting code suit server workloads that demand data integrity.

Capacity and Headroom

The motherboards support up to 48 GB across six sockets in three banks of two. This kit fills two sockets with a matched pair for dual-channel operation. Further expansion is possible by adding identical registered ECC pairs in the remaining banks. Mixing x4 and x8 modules is allowed across different banks but not within the same bank.

DDR2 240-Pin Registered Requirement

Only DDR2 240-pin registered ECC DIMMs are electrically and mechanically compatible with these platforms. Unbuffered, non-ECC, or later DDR generations will not fit or function. Modules must be installed in matched pairs to enable dual-channel mode on the supported Supermicro boards.

商品特色

  • 16 GB dual-channel kit for server stability
  • DDR2 667 MHz registered ECC for data integrity
  • 240-pin 1.8 V modules fit Supermicro X7DCA/X7DCL boards
  • Two 8 GB 2Rx4 sticks enable 48 GB maximum capacity
  • CMS lifetime warranty backs guaranteed compatibility

商品規格

BrandComputer Memory Solutions
ModelCM1024725300ECCREG2R4
Capacity16GB (2 x 8GB)
Type240-Pin DDR2 SDRAM
SpeedDDR2 667 (PC2 5300)
CAS LatencyCL5
Timing5-5-5
Voltage1.8V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemSupermicro X7Dca-3, X7Dca-I, X7Dca-L, X7Dcl-3
Package Content2 Memory RAM Sticks

商品問答

Will the 2Rx4 registered ECC DIMMs run with the older single-rank modules I already have in my Supermicro X7DCA-L?

Mixing x4 and x8 modules is allowed, however not within the same bank; install this 2Rx4 kit in its own bank to keep the server stable.

How can I confirm the kit is running at 667 MHz with CL5 timing after installation?

Enter the BIOS or use a system-information utility; the memory should report DDR2 667 (PC2 5300) with 5-5-5 timings at 1.8 V.

Does the B51 package include anything besides the two 8 GB sticks?

The package content is exactly 2 memory RAM sticks; no heat spreaders, cables or additional hardware are supplied.

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