840755-191 HPE 8GB PC4-21300 DDR4-2666MHz ECC Registered

840755-191 Specifications

HPE 8 GB DDR4‑2666 ECC Registered RDIMM

Manufacturer: HPE
Manufacturer Model: 840755-191
Product Line: HPE ProLiant / HPE Server Memory
Product Type: Server Memory Module (Registered DIMM)
Product Name: HPE 8 GB DDR4‑2666 PC4‑21300 ECC Registered DIMM

KEY FEATURES:
Memory Capacity: 8 GB
Memory Type: DDR4 SDRAM
ECC Support: Yes (Error‑Correcting Code)
Form Factor: 288‑pin DIMM (Registered, RDIMM)
Rank & Organization: Single Rank x8 (1Rx8)
Voltage: 1.2 V
CAS Latency / Timings: CL19 (19‑19‑19)
Bus / Speed: PC4‑21300 — DDR4‑2666 MHz
Signal Type: Registered ECC DIMM
Compatibility: Designed for HPE ProLiant Gen10 servers and other servers supporting DDR4‑2666 ECC Registered memory
Features Supported: ECC data correction, registered memory for 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 RDIMM form factor
Weight: Not explicitly specified
Color: Typical green PCB