HP 660LX

{{Use dmy dates|date=April 2019|cs1-dates=y}}

{{infobox computer

| Photo =

| Developer = Hewlett Packard

| Type = Palmtop

| Connectivity = CompactFlash Type I

| Media =

| OS = Windows CE 2.0 / Windows CE 2.11

| Input = Keyboard, Touchscreen

| Power =

| Processor = 75 MHz Hitachi SH-3

| Memory = 32 MB

| Graphics =

| Display = 640x240 pixels

| predecessor = HP 620LX

}}

The HP 660LX (F1270A) is a handheld palmtop organizer that runs Windows CE 2.0 or 2.11 that launched in 1998. It is similar to the previous model, the HP 620LX. It has a CompactFlash Type I card slot, a PC card slot, a serial link cable plug, and an infrared port.{{cite web

| title = Specifications: Hewlett Packard 660LX

| publisher = HPC:Factor | date = 2007-03-10

| url = http://www.hpcfactor.com/hardware/devices/specification.asp?d=58

| accessdate = 2009-04-18

}}

It is internet capable by attaching an add-on modem or through an Ethernet or Wi-Fi card. Only Type I PC cards are supported and special drivers for the Windows CE operating system are required.{{Cn|date=July 2023}}

On June 4, 1998, the 660LX was announced to ship in the month of July with a 75Mhz Hitachi SH-3 RISC processor and 32Mb of RAM at a price of $999.{{cite web | url=https://techmonitor.ai/technology/hewlett_packard_upgrades_its_palmtops_with_660lx | title=Hewlett-Packard Upgrades ITS Palmtops with 660Lx | date=4 June 1998 }}

By August 1998, the 660LX was available for purchase through corporate resellers including CompUSA.http://www.hpmuseum.net/pdf/TheHPPalmtopPaper_V7N4_40pgs_Jul-Aug98_OCR.pdf