Norėčiau pridėti ramų (iki 4GB). Kokius rinktis?

Yra tokia mot. plokštė:  ASUS P5G41C-M LX .

Chipset
Northbridge    Intel G41 rev. A3
Southbridge    Intel 82801GB (ICH7/R) rev. A1
Memory Type    DDR3
Memory Size    2 GBytes
Channels    Single
Memory Frequency    533.9 MHz (1:2)
CAS# latency (CL)    7.0
RAS# to CAS# delay (tRCD)    7
RAS# Precharge (tRP)    7
Cycle Time (tRAS)    20
Row Refresh Cycle Time (tRFC)    60
Command Rate (CR)    1T
Host Bridge    0x2E30
Memory SPD
DIMM #    1
SMBus address    0x50
Memory type    DDR3
Module format    UDIMM
Manufacturer (ID)    Kingston (7F980000000000000000)
Size    2048 MBytes
Max bandwidth    PC3-10700 (667 MHz)
Part number    9905458-009.A00LF
Serial number    B224BB6B
Manufacturing date    Week 11/Year 10
Number of banks    8
Nominal Voltage    1.50 Volts
EPP    no
XMP    no
AMP    no
JEDEC timings table    CL-tRCD-tRP-tRAS-tRC @ frequency
JEDEC #1    6.0-6-6-17-23 @ 457 MHz
JEDEC #2    7.0-7-7-20-27 @ 533 MHz
JEDEC #3    8.0-8-8-22-30 @ 609 MHz
JEDEC #4    9.0-9-9-24-33 @ 666 MHz

Motininės aprašyme radau, kad:
•  Memory
2 x DIMM, Max. 8 GB, DDR3 1333(O.C.)/1066/800 Non-ECC,Un-buffered Memory
2 x DIMM, max. 8 GB,DDR2 1066 (O.C.) / 800 / 667 MHz Non-ECC, Un-buffered 
memory
Dual Channel memory architecture
"*DDR3 and DDR2 memory can not be used simultaneously
Use DDR3 memory modules on the black slots and DDR2 memory modules on the 
blue slots."
** Refer to www.asus.com or user manual for Memory QVL (Qualify Vendor List)
*** When installing total memory of 4GB capacity or more, Windows® 32-bit 
operation system may only recognize less than 3GB. Hence, a total installed 
memory of less than 3GB is recommended.