633541-001 HP 512MB Dynamic Smart Array FBWC Controller

633541‑001 Specifications

HPE 512 MB Flash‑Backed Write Cache (FBWC) Module (Dynamic Smart Array Cache)

Manufacturer: Hewlett‑Packard Enterprise (HPE)
Manufacturer Model: 633541‑001
Product Line: HPE Smart Array Cache Modules
Product Series: B‑Series Dynamic Smart Array FBWC
Product Type: Cache Memory Module / Controller Accessory
Product Name: HPE 512 MB Flash‑Backed Write Cache (FBWC) Module

KEY FEATURES:
Device Type: Flash‑Backed Write Cache (FBWC) memory module
Cache Memory Size: 512 MB
Memory Type: DDR3, 184‑pin Mini‑DIMM form factor
Cache Technology: Flash‑backed (retains cached data using flash storage to safeguard writes on power loss)
Designed For: HPE Dynamic Smart Array storage controllers (B‑Series)
Purpose: Improves write performance and protects data integrity in server RAID/storage operations

PERFORMANCE:
Cache Benefit: Enhances RAID caching efficiency and write throughput by temporarily storing write data before committing to disk
Data Integrity: Flash‑backed design holds cached data through brief power interruptions without traditional battery‑backup constraints

ENVIRONMENTAL & RELIABILITY:
Designed for enterprise server environments with reliable operation under continuous 24×7 workloads

COMPATIBILITY:
Compatible With: HPE ProLiant Generation 8 (G8) and Generation 9 (G9) servers and compatible Smart Array controllers such as P222 / P421 (varies by specific server model and controller configuration)

PHYSICAL:
Form Factor: 184‑pin Mini‑DIMM memory module
Typical Weight: ~0.68 kg (approximate shipping pac