HP 500660-B21 | 4GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM 1.35V Low Voltage Quad Rank Memory Module

Technical specs:
- Capacity: 4GB
- Memory type: DDR3 SDRAM
- Memory speed: 1066MHz (PC3-8500)
- CAS latency: CL7
- Pin count: 240-pin DIMM
- Voltage: 1.35V
- Error checking: ECC
- Rank: Quad

Helpful notes:
1. This memory module is designed for servers and workstations, not for consumer PCs.
2. ECC (Error Correction Code) helps detect and correct memory errors, improving system stability.
3. The low voltage of 1.35V helps reduce power consumption and heat generation, making it more energy-efficient.