M391B5173QH0‑CMA Specifications
Samsung 4 GB DDR3 1,866 MT/s ECC Unbuffered Memory Module
Manufacturer: Samsung
Manufacturer Model: M391B5173QH0‑CMA
Product Line: Samsung Server DDR3 UDIMM
Product Series: DDR3‑1866/PC3‑14900
Product Type: ECC Unbuffered Memory Module (UDIMM)
Product Name: Samsung 4 GB DDR3‑1866 ECC UDIMM
KEY FEATURES:
Capacity: 4 GB
Memory Type: DDR3
Unbuffered: Yes
ECC Support: Yes
Speed: 1,866 MT/s (PC3‑14900)
Voltage: 1.5 V / 1.35 V
Rank & Organization: Single Rank ×8 (1R×8)
Pin Count: 240
PERFORMANCE:
Maximum Data Transfer Rate: ~14.9 GB/s
CAS Latency: CL13
Designed for server‑workstation memory channels with ECC
ENVIRONMENTAL & RELIABILITY:
Designed for enterprise server / workstation environments
Supports ECC for improved data integrity
Hot‑Swap Support: N/A (memory modules are not hot‑swappable)
PHYSICAL:
Form Factor: 240‑pin UDIMM
Typical Dimensions: Standard DDR3 UDIMM module
Weight: ~35 g

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