This Apple Computer MF621G/A compatible Factory Original Tier 1 - 8GB DDR3-1866MHz 1.5V UDIMM is 100% guaranteed to be compatible with your system and to work right the first time. Adding additional memory is the best way to increase the performance of your system. All our memory is built to strict JEDEC standards to meet or exceed the Tier 1 OEM's factory requirements. Our products are also guaranteed by the Magnuson-Moss Warranty Act to not affect or void OEM warranties.
- RAM Module offers enhanced memory with maximum productivity
- Up to 1866 MHz speed for playing the latest games and using heavy software
- DIMM 8 GB of memory to heighten your computer's performance
- DDR3 SDRAM operates at an effective bus speed with minimal power consumption and as a result, you get optimal computer performance with an improved memory heat dissipation
- 240-pin for enhanced, dependable system performance with maximum usability
- CL13 CAS latency for faster, dependable clock cycles which allows quick access and retrieval of data and information
- DIMM form factor with 240-pin and 8 GB memory size effectively lessens the electrical load on the memory controller to allow maximum feasibility