P18451-B21 HPE 64gb 4rx4 2933mhz Pc4-23400

P18451‑B21 Specifications

HPE 64 GB DDR4‑2933 LRDIMM ECC Memory Module

Manufacturer: HPE
Manufacturer Model: P18451‑B21
Product Line: HPE SmartMemory / Server Memory Modules
Product Series: DDR4 LRDIMM
Product Type: Internal System Memory (RAM)
Product Name: HPE 64 GB DDR4‑2933 ECC Load‑Reduced DIMM

KEY FEATURES:
Storage Capacity: 64 GB
Memory Type: DDR4 SDRAM
Interface Type: DDR4‑2933 (PC4‑23400)
Form Factor: 288‑pin DIMM (Load‑Reduced / LRDIMM)
Voltage: 1.20 V
Error Correction: ECC (Error‑Correcting Code)
Rank / Organization: Quad Rank ×4 (4Rx4)
Signal Processing: Load‑Reduced / Registered
Compatibility: Designed for HPE server/workstation platforms — e.g. ProLiant Gen10 and compatible DDR4‑2933 ECC LRDIMM‑capable systems

PERFORMANCE:
Memory Speed: 2933 MHz (native)
Supported Down‑clock Speeds: 2666 MHz, 2400 MHz, 2133 MHz (for backward‑compatibility, depending on system/CPU)
Maximum Theoretical Bandwidth: ~23.4 GB/s (PC4‑23400)
CAS Latency: CL21 (21‑21‑21)
Random Read/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
Features Supported: ECC error correction, load‑reduced buffering — suitable for high‑density, high‑reliability server workloads

PHYSICAL:
Form Factor: 288‑pin LRDIMM module
Dimensions (W × D × H): Standard 288‑pin server DIMM size (length ~133 mm typical)
Weight: Not explicitly specified
Color / PCB: Standard green PCB with memory chips