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Green 240-pin DDR3 DIMM with black Samsung chips and silver heat spreader

SAMSUNG

SAMSUNG M393B2G70BH0-CK0Q8 16GB DDR3 1600 ECC Registered server RAM

SKU CH-BN5R-BAA5N MPN M393B2G70BH0-CK0Q8

16 GB DDR3 1600 ECC registered DIMM with CL11 latency for server reliability

  • Total capacity16 GB
  • Rated speedDDR3 1600
  • CAS latencyCL11
  • Buffer typeRegistered
  • Product type240-Pin DDR3 SDRAM
  • 16 GB capacity expands server memory for larger workloads
  • ECC Registered design detects and corrects single-bit errors for data integrity
  • DDR3 1600 speed with CL11 latency provides responsive performance
  • 240-pin DDR3 form factor fits registered DIMM slots in compatible systems
  • Samsung manufacture ensures component quality and supply consistency

16GB DDR3 ECC Registered server module

This 16GB Samsung DDR3 1600 module adds ECC registered memory to compatible server platforms. It uses a 240-pin DDR3 SDRAM form factor with CL11 latency. The registered design helps reduce electrical load on the memory controller in multi-module configurations.

Upgrade from non-ECC or unbuffered DDR3

Systems running standard unbuffered DDR3 without error correction can move to this module for data integrity and higher capacity per slot. The jump is worth it when workloads demand ECC protection and the platform supports registered DIMMs. It replaces earlier DDR3 modules that lack ECC or registered buffering.

16GB capacity per DIMM for virtualization

A single 16GB module provides headroom for virtualization hosts, database buffers and large in-memory workloads. It runs out when the memory controller reaches its maximum supported registered DIMM count or total capacity limit. Buyers who need more storage per channel must verify platform limits before adding modules.

How it compares

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

Price $133.99
Cheaper than about 59% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $8.37 per GB
Pricier than about 60% of the 6,064 comparable items (median $7.25 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSAMSUNG
Model nameM393B2G70BH0-CK0Q8
Total capacity16 GB
Product type240-Pin DDR3 SDRAM
Performance
Rated speedDDR3 1600
Memory
CAS latencyCL11
ECC supportYes
Buffer typeRegistered
Size & build
Shipping weight0.02 kg
Package size160 × 46 × 13 mm

Questions about this item

Does the 240-pin DDR3 DIMM fit a standard server DIMM slot?

Yes, the 240-pin DDR3 SDRAM form factor matches the standard registered DIMM slot used in compatible servers.

What is the correct way to seat the registered module so the register engages?

Align the notch with the slot key, press firmly until both retention clips click, ensuring the register circuitry makes full contact.

When should the 16 GB DDR3 1600 CL11 ECC module be replaced?

Replace it if system logs report uncorrectable ECC errors or if memory diagnostics show persistent failures after reseating.

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