378690-B21 is an HP processor option kit featuring an AMD Opteron 252 single-core processor operating at 2.60GHz with 1MB L2 cache. It is specifically designed for the HP ProLiant DL145 Generation 2 (G2) server and uses AMD HyperTransport technology. HP QuickSpecs identify it as the AMD O252 2.6GHz/1MB Single-Core Processor Option Kit and list it as a supported DL145 G2 processor.
- Part Number: 378690-B21
- Manufacturer: HP / Compaq
- Processor: AMD Opteron 252
- Processor Speed: 2.60GHz
- Cores: 1 core
- Cache: 1MB L2
- HyperTransport: 1.0GHz HT
- Socket: Socket 940
- Architecture: AMD64, 64-bit
- Processor Type: Single-core Opteron
- Included: Complete processor option kit
- Application: Enterprise server computing
- Compatible System: HP ProLiant DL145 G2
- Related Spare Parts: 382043-005, 409679-001
- Related Assembly: 380852-002
- Related FIO/Base: 378690-L21 — AMD O252 2.6GHz/1MB DL145 G2 FIO Base
- Compatibility Note: HP lists the O252 as a single-core processor option; it should not be confused with the similarly clocked O285, which is a dual-core 2.6GHz/1MB option.