M386A8K40BM1CPB Samsung 64GB 2133MHZ PC4-17000

M386A8K40BM1-CPB Specifications

Samsung 64 GB DDR4 2133 MT/s ECC Load‑Reduced (LR) Registered RDIMM

Manufacturer: Samsung
Manufacturer Model: M386A8K40BM1-CPB
Product Line: Samsung DDR4 ECC LRDIMM
Product Series: 64 GB, 2133 MT/s, 1.2 V
Product Type: Load‑Reduced ECC Registered DIMM (LRDIMM)
Product Name: Samsung 64 GB DDR4-2133 LRDIMM ECC

KEY FEATURES:
Capacity: 64 GB
Memory Type: DDR4 SDRAM
ECC Support: Yes
Form Factor: 288‑pin DIMM
Voltage: 1.2 V
Speed: 2133 MT/s (PC4‑17000)
Rank/Organization: Quad Rank ×4 (4R x4)
CAS Latency: CL15

PERFORMANCE:
Maximum Data Transfer Rate: ~17.0 GB/s (PC4‑17000)
Latency (CAS): 15 cycles

ENVIRONMENTAL & RELIABILITY:
Designed for server and enterprise environments
Error Correction: ECC (single-bit error correction)
Load‑Reduced Architecture: includes data buffer to reduce electrical load
Production Status: End of Life

PHYSICAL:
Form Factor: 288‑pin LRDIMM
Typical Dimensions: 133.35 mm × ~31.25 mm height
Weight: Not commonly specified

NOTES / COMPATIBILITY:
Supports x4 organization, up to 4 ranks per DIMM in 3‑DPC (DIMMs per channel) configuration
Because it is load-reduced, your server/motherboard must support LRDIMM
Best used in high-density server environments (virtualization, databases, data centers)