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Green rectangular DDR4 memory module with gold edge contacts and black chips on both sides

SAMSUNG

SAMSUNG M393A2K43EB3-CWE 16GB DDR4 3200 CL22 ECC RDIMM server RAM

SKU CH-SKE1-4TSNF MPN M393A2K43EB3-CWE

16 GB DDR4-3200 ECC registered dual-rank DIMM, 1×16 GB module, CL22 latency

  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Product type288-pin DIMM
  • ECC protection safeguards data integrity with built-in error correction
  • Registered design reduces electrical load on the server memory bus
  • 3200 MHz DDR4 speed delivers high bandwidth for demanding workloads
  • CL22 latency provides responsive timing for consistent performance
  • 20 V operation lowers power draw per 16 GB module

Samsung DDR4-3200 ECC RDIMM

This Samsung M393A2K43EB3-CWE module is a 16 GB DDR4-3200 registered DIMM with ECC and CL22 latency. It is built for servers and workstations that require error-correcting memory and registered signal buffering for stable operation under continuous load.

Before ordering verify your platform

Confirm your motherboard supports DDR4 registered ECC DIMMs at 1.20 V and provides 288-pin slots wired for registered memory. Consumer desktop boards and many workstation platforms accept only unbuffered non-ECC modules and will not post with this stick.

Thermals noise and power

The module runs at the standard DDR4 voltage of 1.20 V and has no active cooling, so it adds negligible heat and zero acoustic noise inside a server chassis. Power draw stays within the JEDEC DDR4 specification for a single 16 GB registered rank at 3200 MT/s.

How it compares

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

Price $418.99
Pricier than about 67% of the 6,523 comparable items (median $188.99).

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 nameM393A2K43EB3-CWE
Part numberM393A2K43EB3-CWE
Product type288-pin DIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Power
Rated voltage1.2 V
Size & build
Shipping weight0.11 kg
Package size102 × 102 × 102 mm

Questions about this item

Does the module arrive alone or with any accessories?

The module is supplied as a single 16 GB DDR4 3200 CL22 ECC registered DIMM with no additional accessories in the box.

How do I decide between this 16 GB DDR4-3200 CL22 stick and other capacities or speeds?

Choose this exact part when your server requires a 288-pin registered ECC module at 3200 MHz with CL22 timing and 1.20 V operation.

What does the 3200 MHz rating deliver once the DIMM is installed in a server?

The memory runs at 3200 MHz with CL22 latency at 1.20 V, providing registered ECC error correction for stable server workloads.

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