Kingston KVR266D4R25/1GI | 1GB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM 2.5V Dual Rank Memory Module

Technical Specs:
- Memory Type: DDR SDRAM
- Capacity: 1GB
- Memory Speed: 266MHz
- PC Rating: PC2100
- Pin Count: 184
- CAS Latency: CL2.5
- Registered/Unbuffered: Registered
- Error Correction Code: ECC
- Voltage: 2.5V
- Rank: Dual Rank
- Form Factor: DIMM
- Technology: DDR4 SDRAM

Helpful Notes:
- ECC memory is more reliable than non-ECC memory as it can detect and correct single-bit errors.
- Registered memory is slower than unbuffered memory but provides greater stability and reliability.
- Dual rank memory modules have two sets of memory chips on each side of the module, which can improve performance in some systems.