Archlinux currently manages three branches of the NVIDIA binary driver:

nvidia (latest nvidia release)
nvidia-96xx (96xx legacy branch)
nvidia-71xx (71xx legacy branch)

This excerpt from the NVIDIA 1.0.9746 README lists the supported devices
for each of those:

______________________________________________________________________________

Appendix A. Supported NVIDIA Graphics Chips
______________________________________________________________________________

For the most complete and accurate listing of supported GPUs, please see the
Supported Products List, available from the NVIDIA Linux x86 Graphics Driver
download page. Please go to http://www.nvidia.com/object/unix.html, follow the
Archive link under the Linux x86 heading, follow the link for the 1.0-9746
driver, and then go to the Supported Products List.


    NVIDIA chip name                      Device PCI ID
    ----------------------------------    ----------------------------------
    GeForce 6800 Ultra                    0x0040
    GeForce 6800                          0x0041
    GeForce 6800 XE                       0x0043
    GeForce 6800 XT                       0x0044
    GeForce 6800 GT                       0x0045
    GeForce 6800 GT                       0x0046
    GeForce 6800 GS                       0x0047
    GeForce 6800 XT                       0x0048
    Quadro FX 4000                        0x004E
    GeForce 7800 GTX                      0x0090
    GeForce 7800 GTX                      0x0091
    GeForce 7800 GT                       0x0092
    GeForce 7800 GS                       0x0093
    GeForce Go 7800                       0x0098
    GeForce Go 7800 GTX                   0x0099
    Quadro FX 4500                        0x009D
    GeForce 6800 GS                       0x00C0
    GeForce 6800                          0x00C1
    GeForce 6800 LE                       0x00C2
    GeForce 6800 XT                       0x00C3
    GeForce Go 6800                       0x00C8
    GeForce Go 6800 Ultra                 0x00C9
    Quadro FX Go1400                      0x00CC
    Quadro FX 3450/4000 SDI               0x00CD
    Quadro FX 1400                        0x00CE
    GeForce 6800 Ultra/GeForce 6800       0x00F0
    GeForce 6600 GT                       0x00F1
    GeForce 6600                          0x00F2
    GeForce 6200                          0x00F3
    GeForce 6600 LE                       0x00F4
    GeForce 7800 GS                       0x00F5
    GeForce 6800 GS                       0x00F6
    Quadro FX 3400/4400                   0x00F8
    GeForce 6800 Ultra                    0x00F9
    GeForce PCX 5750                      0x00FA
    GeForce PCX 5900                      0x00FB
    GeForce PCX 5300/Quadro FX 330        0x00FC
    Quadro NVS 280 PCI-E/Quadro FX 330    0x00FD
    Quadro FX 1300                        0x00FE
    GeForce PCX 4300                      0x00FF
    GeForce 6600 GT                       0x0140
    GeForce 6600                          0x0141
    GeForce 6600 LE                       0x0142
    GeForce 6600 VE                       0x0143
    GeForce Go 6600                       0x0144
    GeForce 6610 XL                       0x0145
    GeForce Go 6600 TE/6200 TE            0x0146
    GeForce 6700 XL                       0x0147
    GeForce Go 6600                       0x0148
    GeForce Go 6600 GT                    0x0149
    Quadro NVS 440                        0x014A
    Quadro FX 550                         0x014C
    Quadro FX 540                         0x014E
    GeForce 6200                          0x014F
    GeForce 6500                          0x0160
    GeForce 6200 TurboCache(TM)           0x0161
    GeForce 6200 LE                       0x0163
    GeForce Go 6200                       0x0164
    Quadro NVS 285                        0x0165
    GeForce Go 6400                       0x0166
    GeForce Go 6200                       0x0167
    GeForce Go 6400                       0x0168
    GeForce 8800 GTX                      0x0191
    GeForce 8800 GTS                      0x0193
    GeForce 7300 LE                       0x01D1
    GeForce 7300 SE                       0x01D3
    Quadro NVS 110M/GeForce Go 7300       0x01D7
    GeForce Go 7400                       0x01D8
    Quadro NVS 110M                       0x01DA
    Quadro NVS 120M                       0x01DB
    Quadro FX 350M                        0x01DC
    Quadro FX 350                         0x01DE
    GeForce 7300 GS                       0x01DF
    GeForce 6800                          0x0211
    GeForce 6800 LE                       0x0212
    GeForce 6800 GT                       0x0215
    GeForce 6800 XT                       0x0218
    GeForce 6200                          0x0221
    GeForce 6150                          0x0240
    GeForce 6150 LE                       0x0241
    GeForce 6100                          0x0242
    GeForce Go 6100                       0x0247
    GeForce 7900 GTX                      0x0290
    GeForce 7900 GT/GTO                   0x0291
    GeForce 7900 GS                       0x0292
    GeForce 7950 GX2                      0x0294
    GeForce Go 7900 GS                    0x0298
    GeForce Go 7900 GTX                   0x0299
    Quadro FX 2500M                       0x029A
    Quadro FX 1500M                       0x029B
    Quadro FX 5500                        0x029C
    Quadro FX 3500M                       0x029D
    Quadro FX 1500                        0x029E
    Quadro FX 4500 X2                     0x029F
    GeForce 7600 GS                       0x02E1
    GeForce FX 5800 Ultra                 0x0301
    GeForce FX 5800                       0x0302
    Quadro FX 2000                        0x0308
    Quadro FX 1000                        0x0309
    GeForce FX 5600 Ultra                 0x0311
    GeForce FX 5600                       0x0312
    GeForce FX 5600XT                     0x0314
    GeForce FX Go5600                     0x031A
    GeForce FX Go5650                     0x031B
    Quadro FX Go700                       0x031C
    GeForce FX 5200                       0x0320
    GeForce FX 5200 Ultra                 0x0321
    GeForce FX 5200                       0x0322
    GeForce FX 5200LE                     0x0323
    GeForce FX Go5200                     0x0324
    GeForce FX Go5250                     0x0325
    GeForce FX 5500                       0x0326
    GeForce FX 5100                       0x0327
    GeForce FX Go5200 32M/64M             0x0328
    Quadro NVS 55/280 PCI                 0x032A
    Quadro FX 500/FX 600                  0x032B
    GeForce FX Go53xx                     0x032C
    GeForce FX Go5100                     0x032D
    GeForce FX 5900 Ultra                 0x0330
    GeForce FX 5900                       0x0331
    GeForce FX 5900XT                     0x0332
    GeForce FX 5950 Ultra                 0x0333
    GeForce FX 5900ZT                     0x0334
    Quadro FX 3000                        0x0338
    Quadro FX 700                         0x033F
    GeForce FX 5700 Ultra                 0x0341
    GeForce FX 5700                       0x0342
    GeForce FX 5700LE                     0x0343
    GeForce FX 5700VE                     0x0344
    GeForce FX Go5700                     0x0347
    GeForce FX Go5700                     0x0348
    Quadro FX Go1000                      0x034C
    Quadro FX 1100                        0x034E
    GeForce 7600 GT                       0x0391
    GeForce 7600 GS                       0x0392
    GeForce 7300 GT                       0x0393
    GeForce Go 7600                       0x0398
    Quadro FX 560                         0x039E


Below are the legacy GPUs that are no longer supported in the unified driver.
These GPUs will continue to be maintained through the special legacy NVIDIA
GPU driver releases.

The 1.0-96xx driver supports the following set of GPUs:


    NVIDIA chip name                      Device PCI ID
    ----------------------------------    ----------------------------------
    GeForce2 MX/MX 400                    0x0110
    GeForce2 MX 100/200                   0x0111
    GeForce2 Go                           0x0112
    Quadro2 MXR/EX/Go                     0x0113
    GeForce4 MX 460                       0x0170
    GeForce4 MX 440                       0x0171
    GeForce4 MX 420                       0x0172
    GeForce4 MX 440-SE                    0x0173
    GeForce4 440 Go                       0x0174
    GeForce4 420 Go                       0x0175
    GeForce4 420 Go 32M                   0x0176
    GeForce4 460 Go                       0x0177
    Quadro4 550 XGL                       0x0178
    GeForce4 440 Go 64M                   0x0179
    Quadro NVS                            0x017A
    Quadro4 500 GoGL                      0x017C
    GeForce4 410 Go 16M                   0x017D
    GeForce4 MX 440 with AGP8X            0x0181
    GeForce4 MX 440SE with AGP8X          0x0182
    GeForce4 MX 420 with AGP8X            0x0183
    GeForce4 MX 4000                      0x0185
    Quadro4 580 XGL                       0x0188
    Quadro NVS 280 SD                     0x018A
    Quadro4 380 XGL                       0x018B
    Quadro NVS 50 PCI                     0x018C
    GeForce2 Integrated GPU               0x01A0
    GeForce4 MX Integrated GPU            0x01F0
    GeForce3                              0x0200
    GeForce3 Ti 200                       0x0201
    GeForce3 Ti 500                       0x0202
    Quadro DCC                            0x0203
    GeForce4 Ti 4600                      0x0250
    GeForce4 Ti 4400                      0x0251
    GeForce4 Ti 4200                      0x0253
    Quadro4 900 XGL                       0x0258
    Quadro4 750 XGL                       0x0259
    Quadro4 700 XGL                       0x025B
    GeForce4 Ti 4800                      0x0280
    GeForce4 Ti 4200 with AGP8X           0x0281
    GeForce4 Ti 4800 SE                   0x0282
    GeForce4 4200 Go                      0x0286
    Quadro4 980 XGL                       0x0288
    Quadro4 780 XGL                       0x0289
    Quadro4 700 GoGL                      0x028C


The 1.0-71xx driver supports the following set of GPUs:


    NVIDIA chip name                      Device PCI ID
    ----------------------------------    ----------------------------------
    RIVA TNT                              0x0020
    RIVA TNT2/TNT2 Pro                    0x0028
    RIVA TNT2 Ultra                       0x0029
    Vanta/Vanta LT                        0x002C
    RIVA TNT2 Model 64/Model 64 Pro       0x002D
    Aladdin TNT2                          0x00A0
    GeForce 256                           0x0100
    GeForce DDR                           0x0101
    Quadro                                0x0103
    GeForce2 GTS/GeForce2 Pro             0x0150
    GeForce2 Ti                           0x0151
    GeForce2 Ultra                        0x0152
    Quadro2 Pro                           0x0153