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Green 240-pin DDR3 server memory module with black chips and gold contacts

SAMSUNG

SAMSUNG M393B1K70QB0-YK0 8GB DDR3 1600 ECC Registered server RAM

SKU CH-198Q-RTBQE MPN M393B1K70QB0-YK0

8GB DDR3 1600 ECC registered server memory with CL11 latency and 1.35V operation

  • Total capacity8 GB
  • Rated speedDDR3 1600 (PC3 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • 8GB capacity supports larger server workloads
  • DDR3 1600 speed delivers 12800 MB/s bandwidth
  • ECC Registered design corrects data errors automatically
  • CL11 latency keeps response times tight
  • 35V operation reduces power draw per module

Product Identity

This Samsung DDR3 module delivers 8 GB of registered ECC memory for server platforms that require the 240-pin form factor and PC3-12800 speed rating. It operates at 1.35 V with CL11 latency and a 2Rx4 rank configuration.

Fit and Limits

The module suits administrators upgrading or repairing DDR3-era rackmount or tower servers that accept registered DIMMs and need error correction. Builders assembling consumer desktops, laptops or workstations that use unbuffered memory should look elsewhere.

Deciding Specification

The registered ECC design combined with DDR3 1600 signalling is the single attribute that determines compatibility; only systems explicitly qualified for registered DDR3 DIMMs can use this part.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $33.99
Cheaper than about 89% of the 6,523 comparable items (median $188.99).
Total capacity 8 GB
Lower than about 80% of the 6,064 comparable items (median 32 GB).
Price per GB $4.25 per GB
Cheaper than about 79% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameSAMSUNG
Model nameM393B1K70QB0-YK0
Total capacity8 GB
Product type240-Pin DDR3 SDRAM
Performance
Rated speedDDR3 1600 (PC3 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Power
Rated voltage1.35 V

Questions about this item

Does my motherboard need 240-pin DDR3 slots to use this 8GB module?

Yes, this module is a 240-pin DDR3 SDRAM DIMM and requires a motherboard with matching DDR3 slots that support ECC registered memory.

Can I mix this CL11 registered ECC stick with older unbuffered DDR3 DIMMs in the same server?

No, registered and unbuffered modules cannot be mixed on the same channel; all slots must use registered ECC DIMMs for the system to operate correctly.

How do I confirm the module is running at DDR3 1600 with CL11 timings after installation?

Check the BIOS memory information or use a tool like CPU-Z to verify the speed reads 1600 MT/s (PC3-12800) and the CAS latency shows CL11 at 1.35V.

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