Table 7. Specifications (continued)
Feature Description
Optional memory v 512-MB DDR3-1067 SDRAM SO-DIMM (PC3-8500) card
v 1-GB DDR3-1067 SDRAM SO-DIMM (PC3-8500) card v 2-GB DDR3-1067 SDRAM SO-DIMM (PC3-8500) card(maximum of 4.0 GB)
CMOS RAM v 242 bytes
Hard disk drive v 80 GB, 5400 rpm, 9.5 mm high, SATA interface
v 160 GB, 5400 rpm, 9.5 mm high, SATA interface v 250 GB, 5400 rpm, 9.5 mm high, SATA interface v 320 GB, 5400 rpm, 9.5 mm high, SATA interface v 100 GB, 7200 rpm, 9.5 mm high, SATA interface v 160 GB, 7200 rpm, 9.5 mm high, SATA interface v 200 GB, 7200 rpm FDE (Full Disk Encryption), 9.5 mm
high, SATA interface
v 250 GB, 7200 rpm, 9.5 mm high, SATA interface v 320 GB, 7200 rpm, 9.5 mm high, SATA interfaceSupported hard disk drives depend on the model.
Solid state drive v 64 GB, 8 mm high, SATA interface
v 80 GB, 8 mm high, SATA interface v 128 GB, 8 mm high, SATA interface
Serial Ultrabay Slim device
(for T series)
v DVD drive, 9.5 mm high v DVD/CD-RW combo drive, 9.5 mm high v DVD-RAM/RW drive, 9.5 mm high v Blu-ray disc drive, 9.5 mm high
Serial Ultrabay Enhanced
device (for R series)
v DVD drive, 12.7 mm high v DVD/CD-RW combo drive, 12.7 mm high v DVD-RAM/RW drive, 12.7 mm high v Blu-ray disc drive, 12.7 mm high
Fingerprint reader Some models
I/O port v External monitor connector
v Stereo headphone jack v Monaural microphone jack v Docking connector v RJ11 connector v RJ45 connector v Universal serial bus (USB) connector × 3 (compatible with
USB 1.1 and 2.0)
v IEEE 1394 connector
Internal modem v 56.6 Kbps
Audio v Built-in stereo speakers
v Software control volume
Ethernet (on the system
board)
v Gigabit Ethernet
PCI Express Mini Card v ThinkPad 11b/g Wireless LAN Mini PCI Express Adapter
III
v Intel WiFi Link 5100 v Intel WiFi Link 5300 v Intel WiMAX/WiFi Link 5350 v Qualcomm® UNDP1 - Wireless WAN card v Ericsson F3507g USA - Wireless WAN card v Ericsson F3507g Other - Wireless WAN card v Wireless USB adapter

ThinkPad T400 and R400 49