HP 1GB PC3200 ECC Registered DDR-400 Memory Module (381818-001) is a server memory module designed for compatible HP ProLiant systems, including HP ProLiant BL25p, BL35p, and BL45p server blades. It provides 1GB of DDR SDRAM operating at 400MHz with PC3200 bandwidth, ECC and Registered memory support, making it suitable for reliable memory expansion in supported enterprise server environments. HP service documentation identifies 381818-001 specifically as a 1GB PC-3200 DDR SDRAM DIMM.
- Part Number: 381818-001
- Manufacturer: HP / HPE
- Capacity: 1GB
- Memory Type: DDR SDRAM
- Memory Speed: 400MHz
- Memory Standard: PC3200 / DDR-400
- ECC: Yes
- Registered: Yes
- CAS Latency: CL3
- Form Factor: DIMM
- Pin Count: 184-pin
- Voltage: 2.5V
- Module Configuration: 1 × 1GB
- Application: Server Memory
- Compatible Systems: HP ProLiant BL25p, BL35p, BL45p and other supported ProLiant systems
- Memory Architecture: ECC Registered DDR SDRAM