Mobile PCI Express Module

A Mobile PCI Express Module (MXM) is an interconnect standard for GPUs (MXM Graphics Modules) in laptops using PCI Express created by MXM-SIG. The goal was to create a non-proprietary, industry standard socket, so one could easily upgrade the graphics processor in a laptop, without having to buy a whole new system or relying on proprietary vendor upgrades.

MXM slot
Mobile PCI Express Module
Reference scheme of placing a basic elements (GPU and video RAM) on a first generation MXM-II cards for 35 mm GPU
Reference design of a first generation MXM-II card for 35 mm GPU
No. of devices1
StyleSerial
External interfaceno
VIA QSM-8Q90 Qseven computer-on-module using a MXM-2 connector
Congatec SMARC computer-on-module using MXM-3 connector
A GTX 780M GPU with MXM socket

1st generation configurationsEdit

Smaller graphics modules can be inserted into larger slots, but type I and II heatsinks will not fit type III and above or vice versa. The Alienware m5700 platform uses a heatsink that will fit Type I, II, & III cards without modification.

MXM Type Width Length Pins Module Compatibility Thermal Compatibility Max. Power Max. GPU size [1]
MXM-I 70mm 68mm 230 I I 18W 35×35 mm
MXM-II 73mm 78mm 230 I, II II 35W 35×35 mm
MXM-III (HE) 82mm 100mm 230(232) I, II, III I, II, III 75W 40×40 mm
MXM-IV (Deprecated) 82mm 117mm 230 I, II, III, IV I, II, III, IV

2nd generation configurations (MXM 3)Edit

Smaller graphics modules can be inserted into larger slots. Heatsink mounting remains the same for type A and B modules.

MXM Type Width Length Module Compatibility Thermal Compatibility Max. Power GPU memory bus
MXM-A 82mm 70mm A A 55W 64-bit or 128-bit
MXM-B 82mm 105mm A, B A, B 200W 256-bit

MXM 3.1 was released in March 2012 and added PCIe 3.0 support.[2][3]

Module compatibilityEdit

First generation modules are not compatible with second generation modules and vice versa. First generation modules are fully backwards compatible.[clarification needed]

Standard availabilityEdit

MXM is no longer freely supplied by Nvidia but it is controlled by the MXM-SIG controlled by Nvidia. Only corporate clients are granted access to the standard. The MXM 2.1 specification is widely available. The initial 3.0 technical brief (not the actual spec) can be found here. The 3.1 Electromechanical specification can be found here

ComplianceEdit

A common misconception about MXM is that certain models of graphics cards (e.g. Nvidia GTX 980M) "is MXM 2.1", and therefore any notebook with a GTX 980M fully implements MXM 2.1. However, this is incorrect. While Nvidia defines a lot of MXM specifications, they do not manufacture or design MXM cards themselves, which mostly consist of a PCB with vRAM and an Nvidia or AMD GPU core. Therefore, any model of GPU can be manufactured in MXM, but a laptop released with any particular graphics card model may or may not implement MXM regardless. This is because it is the decision of the ODM whether or not to implement MXM, not Nvidia's or AMD's.

List of MXM cardsEdit

MXM 3.x cardsEdit

Vendor Name Released MXM Type GPU Architecture Core config* TFLOPS (FP32) TDP Dimensions
AMD FirePro M5950 2011-01 Type-A Whistler XT Terascale 2 80 x 70 mm
FirePro M4000[4] 2012-06 Chelsea XT GL GCN1 512:32:16 0.69 33W
FirePro M5100 2013-10 Venus XT 640:40:16
FirePro M6100 Type-B Saturn XT GL GCN2 768:48:16 82 x 105 mm
FirePro W5130M 2014-08 Type-A Tropo LE GCN1 512:32:16 1.0 35W 80 x 70 mm
FirePro W5170M Tropo XT 640:40:16 1.1 45W
FirePro W6150M 2015-11 Type-B Saturn XT GL GCN2 768:48:16 2.0 100W 82 x 105 mm
FirePro S4000X 2014-08 Type-A Venus XT GCN1 640:40:16 1.0 45W 80 x 70 mm
FirePro S7100X 2016-05 Type-B Amethyst XT GCN3 2048:128:32 3.0 100W 82 x 105 mm
Radeon Pro WX 4130 Mobile 2017-03 Type-A Baffin LE GCN4 640:40:16 1.4 45W 82 x 70 mm
Radeon Pro WX 4150 Mobile[5] Baffin PRO 896:56:16 1.9
Radeon Pro WX 4170 Mobile Type-B Baffin XT 1024:64:16 2.5 60W 82 x 105 mm
Radeon Embedded E6465 2015-10 Type-A Caicos Terascale2 60:8:4 0.2 28W 80 x 70 mm
Radeon Embedded E8860 Cape Verde XT GCN1 640:40:16 0.8 37W
Radeon Embedded E8870[6] Type-B Bonaire Pro GCN2 768:48:16 1.4 75W 82 x 105 mm
Radeon Embedded E8950 Tonga XT GCN3 2048:128:32 3.0 95W
Radeon Embedded E9172[7] 2017-10 Type-A Polaris 12 (Lexa) GCN4 512:32:16 1.2 35W 82 x 70 mm
Radeon Embedded E9174 512:32:16 1.2 50W
Radeon Embedded E9260[8] 2016-09 Baffin PRO 896:56:16 2.2 50W
Radeon Embedded E9550[9] Type-B Ellesmere XT 2304:144:32 5.8 95W 82 x 105 mm
Nvidia Tesla M6 2015-11 Type-B GM204 Maxwell 1536 / 96 / 48 3.0 100W 82 x 105 mm
Quadro K610 Mobile 2013-07 Type-A GK208 Kepler 192 / 16 / 8 0.4 30W 80 x 70 mm
Quadro K1100 Mobile GK107 384 / 32 / 16 0.5 45W
Quadro K2100 Mobile GK106 576 / 48 / 16 0.7 55W
Quadro K3100 Mobile Type-B GK104 768 / 64 / 32 1.1 75W 82 x 105 mm
Quadro K5100 Mobile 1536 / 128 / 32 2.4 100W
Quadro M520 Mobile[10] 2017-01 Type-A GM108 Maxwell 384 / 16 / 8 0.8 25W 80 x 70 mm
Quadro M620 Mobile[11] GM107 512 / 32 / 16 1.0 30W
Quadro M1000M Mobile 2015-08 512 / 32 / 16 1.0 40W
Quadro M1200M Mobile[12] 2017-01 640 / 40 / 16 1.4 45W
Quadro M2000M Mobile 2015-12 640 / 40 / 16 1.4 55W
Quadro M2200M Mobile[13] 2017-01 GM206 1024 / 64 / 32 2.1 55W
Quadro M3000M Mobile 2015-08 Type-B GM204 1024 / 64 / 32 2.1 75W 82 x 105 mm
Quadro M4000M Mobile 1280 / 80 / 64 2.5 100W
Quadro M5000M Mobile 1536 / 96 / 64 3.0 100W
Quadro P1000 Mobile 2017-02 Type-A GP107 Pascal 512 / 32 / 16 1.6 40W 80 x 70 mm
Quadro P2000 Mobile 2019-02 GP106 1152 / 72 / 32 3.0 75W
Quadro P3000 Mobile[14] 2017-01 Type-B GP104 1280 / 80 / 32 3.1 75W 82 x 105 mm
Quadro P3200 Mobile 2018-02 1792 / 112 / 64 5.5 75W
Quadro P4000 Mobile[15] 2017-01 1792 / 112 / 64 4.4 100W
Quadro P4200 Mobile 2018-02 2304 / 144 / 64 7.6 100W
Quadro P5000 Mobile[16] 2017-01 2048 / 128 / 64 6.2 100W
Quadro P5200 Mobile 2018-02 2560 / 160 / 64 8.9 100W
Quadro T1000 Mobile 2019-05 Type-A TU117 Turing 896 / 56 / 32 2.6 50W 82 x 70 mm
GeForce GTX 965M[17] 2016-01 Type-A GM204 Maxwell 1024 / 64 / 32 2.4 75W 80 x 70 mm
GeForce GTX 965M 2014-10 Type-B 1024 / 64 / 32 2.4 75W 82 x 105 mm
GeForce GTX 970M 2.7 75W
GeForce GTX 980M 3.2 100W
GeForce GTX 980 2015-09 4.4 180W 83 x 115 mm
GeForce GTX 980 200W 102.6 x 115 mm
GeForce GTX 1050 Mobile 2017-01 Type-A GP107 Pascal 640 / 60 / 16 1.9 75W 82 x 70 mm
GeForce GTX 1050 Ti Mobile 768/ 48 / 32 2.4 75W 82 x 70 mm
GeForce GTX 1060 Mobile (Clevo) 2017-05 Type-B GP106 4.4 100W 100 x 124 mm
GeForce GTX 1060 Mobile (MSI) 4.3 78W 82 x 105 mm
GeForce GTX 1070 Mobile (Clevo) GP104 6.7 150W 100 x 124 mm
GeForce GTX 1070 Mobile (MSI) 115W 94 x 105 mm
GeForce GTX 1080 Mobile (Clevo) 9.1 190W 100 x 124 mm
GeForce GTX 1080 Mobile "Type 1" (MSI GT73VR) 200W Unknown
GeForce GTX 1080 Mobile "Type 2" (MSI GT83) 150W 94 x 105 mm
GeForce RTX 2060 Mobile (Clevo) 2019-01 Type-B TU106 Turing 4.6 80W 100 x 124 mm
GeForce RTX 2070 Mobile (Clevo) 6.6 115W
GeForce RTX 2080 Mobile (Clevo) TU104 9.4 150W
GeForce RTX 3000 Mobile 2019-05 TU106 1920 / 120 / 64 5.3 80W 82 x 105 mm
GeForce RTX 4000 Mobile TU104 2560 / 160 / 64 8.0 110W
GeForce RTX 5000 Mobile 3072 / 192 / 64 10.9 110W

*Unified Shaders : Texture Mapping Units : Render Output Units

External linksEdit

  • MXM-SIG
  • [MXM Upgrade] - Site about MXM, with a table of some MXM laptops, detailed upgrade procedures and MXM cards for sale, no longer updated.
  • [1] - Nearly complete list of Acer laptops implementing MXM.
  1. ^ Klaus Hinum (2012-05-26). "Notebook Video Card Upgrade / Replacement". Notebook Check. Archived from the original on 2017-12-10. Retrieved 2014-06-16.
  2. ^ "MXM Standard 3.1 is the new one (Up from 3.0)". NotebookReview. Retrieved 2017-03-15.
  3. ^ "MXM Graphics Module". www.mxm-sig.org. Archived from the original on 2016-09-13. Retrieved 2017-03-15.
  4. ^ "AMD FirePro M4000". TechPowerUp. Retrieved 2018-07-22.
  5. ^ https://www.amd.com/en/products/professional-graphics/radeon-pro-wx-4150-mobile[bare URL]
  6. ^ https://www.amd.com/en/products/embedded-graphics-high-performance[bare URL]
  7. ^ https://www.amd.com/en/products/embedded-graphics-power-efficient[bare URL]
  8. ^ "AMD E9260" (PDF).
  9. ^ "AMD E9950" (PDF).
  10. ^ "TechPowerUp". TechPowerUp. Retrieved 2017-03-16.
  11. ^ "TechPowerUp". TechPowerUp. Retrieved 2017-03-16.
  12. ^ "TechPowerUp". TechPowerUp. Retrieved 2017-03-16.
  13. ^ "TechPowerUp". TechPowerUp. Retrieved 2017-03-16.
  14. ^ "TechPowerUp". TechPowerUp. Retrieved 2017-03-16.
  15. ^ "TechPowerUp". TechPowerUp. Retrieved 2017-03-16.
  16. ^ "TechPowerUp". TechPowerUp. Retrieved 2017-03-16.
  17. ^ "NotebookCheck". NotebookCheck. Retrieved 2022-06-05.