Bueno Sr... ahora necesito un poquito de ustedes necesito DDR de 512 mb o 1 GB de 266 Mhz.... espero que me puedan ayuda... por que me urge actualizar una laptop antiguita.... es vaio...

Edito: estas son las especificaciones de mi laptop....
Intel® Pentium® 4 processor 2.80GHz1
Cache Memory
L1: Execution trace cache: 12k decoded micro-ops / Data
cache: 8K
L2: 512KB Integrated On-Die
Bus Speed
533 MHz
LCD
15" XGA (1024 x768) TFT display with XBrite? technology
Graphics
ATI RADEON? IGP 345M
Dual display support
Memory
512 MB DDR SDRAM (256MB x 2), maximum 1 GB
Hard Drive
40 GB2 hard drive
Optical Drive
Internal CD-RW/DVD-ROM combo drive
(Max speeds: CD-R write 24x; CD-RW write 10x; CD Read
24x; DVD-ROM read 8x)
Optional Floppy Drive
External 1.44 MB, 3.5" USB floppy drive (PCGA-UFD5)
Modem
Integrated V.90 modem
Ethernet
10BASE-T/100BASE-TX Ethernet with RJ-45 interface
Memory Stick PROTM Media Slot
Supports optional Memory Stick PROTM media
Pointing Device / Keyboard / Input Device
Electro-Static touch pad
QWERTY, 86 keys with 2.7mm stroke and 19.2mm pitch
Estimated Battery Life4
Lithium-ion battery
1.0-2.5 hours with standard battery4
PC Card Slots
1 type III or 2 type I or type II card with CardBus support
Audio
Windows® sound system compatible
Built-in stereo speakers; monaural mini-jack microphone
Optional external speakers (PCGA-SP1)
Other Interfaces
RJ-11 modem jack, i.LINK® (IEEE 1394) interface3, 3 USB2.0,
RJ-45 Ethernet, VGA output, headphone (stereo), monaural
mini-jack microphone
Integrated Wireless5
802.11b/g
Bus/Interface: mini PCI
Radio frequency band: 2.4GHz (ISM band)