NEW Original Apple 4Gb PC3-14900E DDR3 1866MHz  ECC DIMM for MacPro 2013

Apple part number: MF623G/A, 661-7537, 661-7534
New Sealed

Compatible with:
MacPro (Late 2013)
ME252LL/A (Quad-Core)
ME878LL/A (6-Core)
A1481