from Mac Pro 2010 memtest 86+  100% working condition

Please check compatibility before buying

Compatible with

Mac Pro Model: 5,1 Year 2010 

Mac Pro Model: 5,1 Year 2012

This memory is not for desktops computer

Product Specifications

MANUFACTURER:  Samsung
PART NUMBER: M393B2G70BH0-YH9
COMPONENT DENSITY: 16GB
PRODUCT BUS TYPE: PC3L-10600R
COMPONENT SPEED: DDR3-1333
MODULE SIGNAL TYPE: REGISTERED
ERROR CORRECTION CODE ( ECC ): YES
COMPONENT RANK: 2RX4
CAS LATENCY: CL11
PIN COUNT: 240-PIN
VOLTAGE: 1.35V
ADDITIONAL INFORMATION: LOW VOLTAGE MEMORY MODULE

required that all installed modules be of the same size 8GB and/or 16GB modules. Other existing 1GB, 2GB and 4GB modules are not supported for use with these kits and need to be removed when these modules are added.