M393A8K40B22-CWD Samsung 64GB PC4-21300 at discount

M393A8K40B22‑CWD Specifications

Samsung 64 GB DDR4‑2666 ECC Registered RDIMM Memory Module

Manufacturer: Samsung
Manufacturer Model: M393A8K40B22‑CWD
Product Line: Samsung Server Memory
Product Series: DDR4 RDIMM
Product Type: Memory Module (Server)
Product Name: Samsung 64 GB DDR4‑2666 ECC Registered RDIMM Memory Module

KEY FEATURES:
Memory Capacity: 64 GB
Memory Technology: DDR4 SDRAM
Memory Configuration: Quad Rank x4
Error Correction: ECC (Error‑Correcting Code)
Form Factor: RDIMM (Registered DIMM)
Number of Pins: 288‑pin
Buffered/Registered: Yes
Voltage: 1.2 V
CAS Latency: CL22 (timings approx. 22‑19‑19)
JEDEC Standard: PC4‑21300 (DDR4‑2666)
New Town Spares
+1

PERFORMANCE:
Data Transfer Rate: DDR4‑2666 MHz (~21.3 GB/s theoretical bandwidth)
Signal Type: ECC Registered for enhanced stability in server systems
Rank & Organization: Quad Rank for balanced load and higher capacity support

ENVIRONMENTAL & RELIABILITY:
Designed for enterprise‑class servers, data centers, and virtualization environments
ECC support improves system reliability by detecting and correcting single‑bit memory errors
Registered design reduces electrical load on memory controller for multi‑DIMM configurations

PHYSICAL:
Form Factor: 288‑pin Registered DIMM (RDIMM)
Typical Module Height: Standard RDIMM profile
Typical Dimensions: 133.35 mm (L) × 31.25 mm (H) × ~4.3 mm (W)
Weight: Memory module typical weight (industry standard)