820816-001 HPE 2GB Flash Backed Write Cache BIT at discount

820816‑001 Specifications

HPE 2 GB Flash‑Backed Write Cache (FBWC) Module for Smart Array P440 / P840 Controllers

Manufacturer: Hewlett‑Packard Enterprise (HPE)
Manufacturer Model: 820816‑001
Product Line: HPE Smart Array Cache Modules
Product Series: Flash‑Backed Write Cache (FBWC)
Product Type: Cache Memory Module / Accessory
Product Name: HPE 2 GB Flash‑Backed Write Cache Module

KEY FEATURES:
Cache Capacity: 2 GB
Memory Type: DDR3 SDRAM
Memory Configuration: 72‑bit width
Memory Speed: ~1866 MHz effective
Cache Type: Flash‑Backed Write Cache (FBWC) – uses flash and supercapacitors to retain data on power loss
Designed For: HPE Smart Array P440 and P840 RAID controllers
Hot‑Swap Support: Yes

PERFORMANCE:
Improved Write Performance: Caches write operations to improve server storage performance and throughput
Data Integrity Protection: Retains cache contents using flash when power is lost, mitigating data loss risk

ENVIRONMENTAL & RELIABILITY:
Designed for enterprise server storage environments
Enterprise‑class reliability for continuous 24×7 operation
FBWC technology extends data retention beyond traditional battery‑backed modules

PHYSICAL:
Form Factor: Plug‑in cache module designed to attach to Smart Array controllers
Typical Size: Compact module sized for server controller memory slot
Weight: Lightweight (~0.05 kg typical)