4GB Total. ONE 4GB PC3-8500 204 pin SODIMM DDR3 1066MHz Major brand memory.

BRAND CMS

LIFETIME WARRANTY BY MANUFACTURED

MAX MEMORY: 8GB

SOCKETS 2

COMPATIBLE WITH:

Mid-2010 13" - MC374LL/A - MacBookPro7,1 - A1278 - 2351*

Apple MacBook Pro "Core 2 Duo" 2.4 13" Mid-2010

Mfgr's System P/N's:  MC374B/A; MC374D/A; MC374DK/A; MC374F/A; MC374FN/A; MC374H/A; MC374K/A; MC374LL/A; MC374N/A; MC374RS/A; MC374S/A; MC374SM/A; MC374T/A; MC374ZH/A; MC375B/A; MC375D/A; MC375F/A; MC375FN/A; MC375H/A; MC375K/A; MC375LL/A; MC375N/A; MC375RS/A; MC375S/A; MC375SM/A; MC375T/A; MC375ZH/A