CPU
1st Generation Intel Dual Core i5-430M/450M/460M/520M/540M or i7-620M/640M or Quad Core i7-720QM/820QM/920XM Processor
Memory Type
PC3-10660 1333MHz DDR3 204pin SO-DIMM Laptop Memory
Standard Memory
up to 16GB
Memory Expansion Slots
4 SO-DIMM slots
PC Card Slots
One ExpressCard/34 Slot
USB Ports
One USB v3.0 Type-A Port and Four USB v2.0 Type-A Ports (Three USB v2.0 only Ports and One USB v2.0/eSATA Combo Port)
Firewire Ports
One 4-pin IEEE-1394 Firewire / I.Link Port
Card Reader
5-in-1 Integrated SD Card Reader Slot: (SD/SDHC/MMC/MS/MS-Pro)
Original Optical Drives
Removable DVD Super Multi Dual Layer Drive or Blu-Ray DVD Combo Drive
Original Hard Drives
160GB, 200GB, 250GB, 320GB, 500GB 5400RPM or 7200RPM SATA II 3Gb/s Hard Drive
Original Solid State Drives
64GB, 80GB, 128GB, 160GB, 256GB 1.8" 8mm Micro SATA Solid State Drive
Drive Notes
The Lenovo ThinkPad W701ds Laptop Supports up to 3 Drives. (Two Removable 2.5" or 1.8" Solid State Drives or Hard Drives in Slot 1 and 2 and One 2.5" Solid State Drive or Hard Drive in the Optical Bay) Note: The third 2.5" Drive replaces the optical drive when installed. If installing the third 2.5" Drive in replace of the optical drive, you will need the ultrabay slim media bay for installation. The 1.8" Drive uses a adapter bracket p/n 42W7888 for installation.