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Samsung 64GB RDIMM PC4-25600 Memory - M393A8G40CB4-CWEBY

Samsung 64GB RDIMM PC4-25600 Memory - M393A8G40CB4-CWEBY

Part Number: M393A8G40CB4-CWEBY
Manufacturer: Samsung

Condition: Refurbished

Weight: 0.1 lbs

Availability: In stock

Regular price $1,200.00
Regular price Sale price $1,200.00
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Samsung 64GB DDR4-3200 PC4-25600 ECC Registered DIMM — M393A8G40CB4-CWEBY

The Samsung M393A8G40CB4-CWEBY is a 64GB DDR4-3200 ECC Registered DIMM (RDIMM) built on Samsung's industry-leading DRAM technology. Designed for enterprise servers and high-performance workstations, this dual-rank x4 module operates at 3200 MT/s with CL22 latency and 1.2V supply voltage. With 64GB per DIMM, it enables high-density memory configurations for memory-intensive workloads including in-memory databases, virtualization, AI/ML inference, and HPC applications. The "-CWEBY" suffix denotes a specific production revision.

Key Specifications

  • Part Number / MPN: M393A8G40CB4-CWEBY
  • Capacity: 64GB
  • Type: DDR4 SDRAM
  • Speed: 3200 MT/s (DDR4-3200)
  • PC Rating: PC4-25600
  • Form Factor: 288-Pin DIMM
  • Error Correction: ECC (Error Correcting Code)
  • Module Type: Registered DIMM (RDIMM)
  • Ranks: Dual Rank (2Rx4)
  • DRAM Organization: x4
  • Voltage: 1.2V
  • CAS Latency: CL22 (22-22-22)

Timing Specifications

  • CAS Latency (CL): 22
  • RAS to CAS Delay (tRCD): 22
  • RAS Precharge (tRP): 22
  • Cycle Time (tRAS): 52
  • Data Transfer Rate: 3200 MT/s
  • Bandwidth: Up to 25,600 MB/s

Features

  • ECC (Error Correcting Code) — detects and corrects single-bit errors
  • Registered (buffered) design for improved signal integrity in multi-DIMM configurations
  • On-Die ECC (ODECC) support
  • SPD (Serial Presence Detect) programmed
  • RoHS compliant
  • Thermal sensor onboard

Physical & Environmental

  • Pin Count: 288-pin
  • Form Factor: DIMM (full-height)
  • PCB Height: Standard (31.25mm)
  • Operating Temperature: 0°C to 85°C
  • Storage Temperature: -55°C to 100°C
  • Operating Voltage: 1.2V

Compatibility

  • Compatible with Intel Xeon Scalable processors (2nd, 3rd, 4th Gen — Cascade Lake, Ice Lake, Sapphire Rapids)
  • Compatible with AMD EPYC 7002 (Rome) and 7003 (Milan) series processors
  • Supported in Dell PowerEdge, HPE ProLiant, Lenovo ThinkSystem, Supermicro, and Cisco UCS server platforms
  • Requires server motherboard with registered DIMM (RDIMM) support
  • Not compatible with consumer desktop or laptop platforms

Frequently Asked Questions

Why do I see an incorrect image for this item?

Images may be representative of the product model. For Refurbished items, the actual unit may differ in appearance from the image shown.

Specifications, part number, condition and included accessories are stated on this page.

What do you mean by term Refurbished?

Refurbished means a used computer part or device that has been cleaned, checked, and repaired to make sure it works properly again. Unlike regular second-hand items, refurbished products go through testing and fixing so they can perform like new.

How many days does it take to ship goods to customers?

All orders are processed within 1-2 business days. Orders placed on weekends or public holidays will be processed on the next business day. For more info visit shipping policy.

What is your return policy?

We offer a 30-day return policy subject to the terms and conditions described in our Refund Policy. Restocking fees may apply to eligible non-faulty returns. Kindly take a look at our Return Policy page.

Do you deliver my ordered items in their original retail box?

For Brand New items, you will receive them in their original retail box. For Refurbished items, you will receive them in a Brown Box or Bulk Packaging.

Do your printers come with ink cartridges?

Refurbished printers do not come with ink cartridges or toners.