838085-B21 HPE 64GB PC4-21300 DDR4-2666MHz ECC Registered

838085-B21 Specifications

HPE 64GB DDR4‑2666 ECC Load‑Reduced RDIMM (LRDIMM)

Manufacturer: HPE
Manufacturer Model: 838085-B21
Product Line: HPE ProLiant / HPE Server Memory
Product Type: Server Memory Module (LRDIMM / Registered DIMM)
Product Name: HPE 64GB DDR4‑2666 PC4‑21300 ECC LRDIMM

KEY FEATURES:
Memory Capacity: 64 GB
Memory Type: DDR4 SDRAM
ECC Support: Yes (Error‑Correcting Code)
Form Factor: 288‑pin LRDIMM / Registered DIMM
Rank & Organization: Quad Rank x4 (4Rx4)
Voltage: 1.2 V
CAS Latency: CL19
Bus / Speed: PC4‑21300 — DDR4‑2666 MHz
Compatibility: Designed for HPE / enterprise servers supporting DDR4‑2666 LRDIMM memory
Features Supported: Load‑Reduced ECC memory, high capacity, server‑class reliability

PERFORMANCE:
Memory Speed: 2666 MHz
Maximum Data Transfer Rate: Theoretical bandwidth consistent with DDR4‑2666 / PC4‑21300
Random Read IOPS: Not explicitly specified
Random Write IOPS: Not explicitly specified
Sequential Read Speed: Not explicitly specified
Sequential Write Speed: Not explicitly specified

ENVIRONMENTAL & RELIABILITY:
Operating Temperature Range: Not explicitly specified
Storage Temperature Range: Not explicitly specified
Operating Humidity: Not explicitly specified
Shock Resistance: Not explicitly specified
Vibration Resistance: Not explicitly specified

PHYSICAL:
Dimensions (W × D × H): Standard 288‑pin LRDIMM form factor
Weight: Not explicitly specified
Color: Typical green PCB