Best RAM type for 2GB limit

[halogamer1989]

^It has 2 slots. Here's the CPU-Z dump -- -------------------------
CPU-Z version 1.46
-------------------------

Processors Map
------------------------------------------------------------------------------------

Number of processors 1
Number of threads 2

Processor 0
-- Core 0
-- Thread 0
-- Core 1
-- Thread 0


Processors Information
------------------------------------------------------------------------------------

Processor 1 (ID = 0)
Number of cores 2 (max 2)
Number of threads 2 (max 2)
Name Intel Mobile Core 2 Duo T5250
Codename Merom
Specification Intel(R) Core(TM)2 Duo CPU T5250 @ 1.50GHz
Package Socket P (478) (platform ID = 7h)
CPUID 6.F.D
Extended CPUID 6.F
Core Stepping M0
Technology 65 nm
Core Speed 1496.5 MHz (9.0 x 166.3 MHz)
Rated Bus speed 665.1 MHz
Stock frequency 1500 MHz
Instructions sets MMX, SSE, SSE2, SSE3, SSSE3, EM64T
L1 Data cache 2 x 32 KBytes, 8-way set associative, 64-byte line size
L1 Instruction cache 2 x 32 KBytes, 8-way set associative, 64-byte line size
L2 cache 2048 KBytes, 8-way set associative, 64-byte line size
FID/VID Control yes
FID range 6.0x - 9.0x
max VID 1.363 V
Features XD