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Q: What do the eGPU port acronyms like 32Gbps-TB3 mean and what are their ranked & measured peak H2D/write bandwidths?

Disclaimer, buying options & troubleshooting for OCuLink & M.2 NVMe eGPU adapters for reliable up to 64Gbps ePCIe 4.0 x4 attachment is here

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WIP: 2021 14" HP EliteBook 840 G8 [11th,4C,G] + RTX 4070 @ 32Gbps-TB4 (EXP GDC TH5P4GaN) + Win11 22H2

By Alex777, 5 days ago

1

140

3 days ago

3 days ago

WIP: 2024 14" ASUS Zenbook 14 OLED UX3405 [CU1,16C,H] + GTX 1070 @ 32Gbps-TB4 (AORUS Gaming Box) + Win11 // eGPU not detected

By Njinsh, Jan 15

3

149

Jan 15

Jan 15

WIP: 2023 13" Lenovo ThinkPad X13 Gen 4 (780M) [R7K,8C,U] + RX 6800 @ 32Gbps-USB4v1 (Razer Core X) + Linux Arch

By tausgus, Jan 14

0

90

Jan 14

Jan 14

WIP: 2025 14" HP OmniBook Ultra 14 (890M) [RAI3,12C,HX) + RTX 4070 Super @ 32Gbps-USB4v1 (EXP GDC TH3P4G3) + Win11 // constant connects-disconnects when start gaming

By Dani, Dec 28

6

308

Jan 11

Jan 11

WIP: 2019 21" iMac 4K (RP560X) [8th,6C,B] RX 580 @ ??? (ADT-Link UT3G) + Win10 22H2 // eGPU not detected but works fine on Mac

By Sh0gunwarrior, Jan 11

3

108

Jan 11

Jan 11

WIP: 2025 FireBat MN56 (780M) [R8K,8C,H] + RX 9070 XT@ ??Gbps (Minisforum DEG1 OCuLink) + Win 11 // no eGPU bandwidth benchmarks, I think it’s a portable beast

By mAskQs13, Jan 07

0

143

Jan 07

Jan 07

WIP: 2025 Beelink SER9 Pro [RAI3,12C,HX] + RX 9070 XT @ 64Gbps-M.2x4 (AOOSTAR AG02) + Win11 // started getting driver timeouts and robotic speaker sound

By GVega1308, Dec 30

1

168

Dec 30

Dec 30

WIP: 2023 14" HP Omen Transcend 14 (RTX4060) [CU1,16C,H] + RTX 5060 Ti @ 16Gbps-TB4 (ADT-Link UT4G) + Win11 25H2 // incomplete eGPU bandwidth benchmarks, custom enclosure (2 viewing)

By Lukas, Dec 24

3

507

Dec 28

Dec 28

WIP: 2017 iMac Pro [7th,8C,W] (Vega56) + RX 6900 XT @ ??Gbps-TB3 (AOOSTAR AG02) + Win11 25H2 // random eGPU crashes and error 43 => fixed by flashing a VBIOS with a silent mode ROM

By Passqall, Dec 23

3

151

Dec 27

Dec 27

WIP: 2024 16" ASUS VivoBook S16 OLED [CU1,16C,H] + RTX 5060 @ 32Gbps-TB4 (AORUS Gaming Box) + Win11 // eGPU is hardly an improvement over Intel Arc iGPU, what am I doing wrong?

By kaycastellon14133, Dec 22

2

314

Dec 22

Dec 22

WIP: 2024 ROG Ally X (780M) [R7K,8C,U] + RTX 5090 @ 64Gbps-USB4v1 (AOOSTAR AG02) + Win11 // can't get GPU driver installed

By John Fandialan, Dec 19

4

787

Dec 21

Dec 21

WIP: 2022 16" HP OMEN 16 (RTX3050) [12th,14C,H] + RTX 5070 Ti @ 64bps-M.2x4 (AOOSTAR AG02 OCuLink) + Win11 24H2 // error 43 fixed NVIDIA eGPU & dGPU conflict, incomplete build

By Tina_leekleek, Jul 07

4

802

Dec 13

Dec 13

WIP: 2024 14" Lenovo IdeaPad Pro 5 (780M) [R8K,8C,H] + RX 9060 XT @ 64Gbps-USB4v1 (AOOSTAR AG02) + Win11 // experiencing inconsistent crashes and disconnects

By a a, Dec 12

1

366

Dec 12

Dec 12

WIP: 2022 14" Lenovo ThinkPad X1 Carbon Gen 10 [12th,14C,P] + RTX 2080 @ 32Gbps-TB4 (RIITOP ASM2464PD USB4v1) + Linux Ubuntu 24 // error "NVRM: fallen off the bus and is not responding to commands" => fixed using Ubuntu 25

By SwankyHillar, Nov 18

13

777

Dec 11

Dec 11

WIP: 2018 17" HP ZBook 17 G5 (Q P5200) [8th,6C,H] + RTX 2080 Ti @ ??Gbps-TB3 (ADT-Link UT3G) + Win10 // eGPU setup won’t power on

By Atilla, Oct 10

23

1,076

Dec 11

Dec 11

WIP: 2021 17" LG Gram 17 [11th,4C,G] + RTX 3080 @ ??-TB4 (ADT-Link UT3G) + Win11 24H2 // eGPU not being detected, no solutions => switched to TH3P4G3 eGPU which works well

By kermmmit, Nov 27

3

264

Nov 30

Nov 30

WIP: 2019 14" Huawei MateBook X Pro (MX250) [8th,4C,U] + RTX 3070 Ti @ 32Gbps-TB3 (Wikingoo TB3 eGPU) // persistent eGPU error code 43

By Thomas_satan, Nov 27

3

191

Nov 28

Nov 28

WIP: 2022 16" Dell Inspiron 16 Plus (RTX3060) [12th,14C,H] + RTX 5060 @ 32Gbps-TB4 (Razer Core X V2) + Win11 25H2 // eGPU not detected, though is if use Razer Core X V1, replacement is the same => fundamentally incompatibility

By Gallenulenoir, Oct 13

10

871

Nov 25

Nov 25

WIP: 2017 15" HP ZBook 15 G4 (Q M1200) [7th,4C,H] + RX 9070 XT @ 16Gbps-TB3 (AOOSTAR AG02) + Win10 22H2 // fail - Thunderbolt connection drops after a while of either gaming or normal usage

By McProcess, Nov 19

0

159

Nov 19

Nov 19

WIP: 2020 15" Lenovo ThinkPad P15 Gen 1 (Q T1000) [10th,6C,H] + RTX 3090 Ti @ 32Gbps-TB3 (Razer Core X V2) + Win10 // error code 43 on eGPU

By slipperman62, Nov 09

5

562

Nov 13

Nov 13

WIP: 2024 13" Dell XPS 13 9340 [CU1,16C,H] + RTX 5090 @ 32Gbps-TB4 (Razer Core X V2) + Linux Ubuntu 22.04 // RTX 3090 works but RTX 5090 didn't until unbind & re-scan the TB bridge

By Georg Alem, Oct 23

8

1,222

Nov 07

Nov 07

WIP: 2021 12" Lenovo ThinkPad X12 [11th,4C,G] + RTX 4070 @ 4Gbps-TB4 (ADT-Link UT3G) + Win11 22H2 // persistent, terrible PCIe link speed

By takato14, Nov 01

2

265

Nov 01

Nov 01

WIP: 2020 ASRock B550M [R5K,8C,X3D] + RX 6800 XT @ 32Gbps-TB3 (AORUS Gaming Box * Gigabyte Titan Ridge) + Win11 // error code 31 on PCI BUS

By rct414, Oct 28

0

246

Oct 28

Oct 28

WIP: 2021 15" Lenovo Legion 5 15ITH6H (RTX3060) [11th,8C,H] + RTX 3070 @ 32Gbps-TB4 (ADT-Link UT3G) + Win10 // GPU not detected, GPU Keeps Rebooting, D6 LED Loop

By Ba2ralp, Jun 06

1

591

Oct 13

Oct 13

WIP: 2022 15'' Razer Blade (RTX3070Ti) [12th,14C,H] + RTX 5090 @ 32Gbps-TB4 (ADT-Link UT4G-BK7) + Win11 25H2 // detected OK but can't play any game - The VIDEO_TDR_FAILURE BSOD always shows up

By Samarium, Oct 10

0

186

Oct 10

Oct 10

WIP: 2025 16" ASUS Pro Art P16 (RTX4060) [RAI3,12C,HX] + RTX 5070 @ 64Gbps-USB4v1 (ADT-Link UT3G) + Win11 // causing reboot/BSOD on every sleep-hibernate-hotswap

By Ok_Error8996, Oct 06

1

194

Oct 06

Oct 06

WIP: 2023 16" Alienware M16 R1 (RTX4070) [13th,14C,H] + RTX 5070 Ti @ 32Gbps-TB4 (ADT-Link UT4G-BK7) + Win11 // constant disconnects leading to a error 43

By light_heaven, Oct 03

3

197

Oct 04

Oct 04

WIP: 2022 16" ASUS Flow X16 GV601 (RTX3070Ti) [R6K,8C,H] + RTX 3090 Ti @ 32Gbps-USB4v1 (Peladn Link 1) + Win11 // Randomly works/Reboot Anxiety, same with UT3G

By Stuza Name, Oct 03

2

207

Oct 04

Oct 04

WIP: 2024 7" ASUS ROG Ally X (780M) [R7K,8C,U] + RTX 4070 Ti @ 64Gbps-USB4v1 (AOOSTAR AG02) + Win11 // BSOD followed by system restart issue - gave up, suspect bad USB4v1 port

By Mustafa Levent, Aug 27

10

3,373

Oct 01

Oct 01

WIP: 2017 15" Lenovo Legion Y520 (GTX1050) [7th,4C,H] + RTX 4060 @ 32Gbps-M.2x4 (ADT-Link R43SG) + Win10 // eGPU detected, driver loaded, error 43 fixed, but now seeing error code 31

By darin ouk, Sep 22

9

851

Sep 23

Sep 23

WIP: 2023 8" Lenovo Legion Go (780M) [R7K,8C,U] + GTX 1080 @ 32Gbps-USB4v1 (AORUS Gaming Box) + Win11 // 20W-30W CPU TDP causes eGPU dropouts after a few mins, fix: using 20W CPU TDP & run higher CPU FAN speed

By Boogasbeowulf, Mar 17, 24

15

10 K

Sep 22

Sep 22

WIP: 2020 13" MacBook Pro [10th,4C,G] + RX 5700 XT @ 32Gbps-TB3 (ADT-Link UT3G) + macOS 15.6.1 // macOS sees eGPU adapter but doesn't load kernel extensions for the RX 5700 XT

By Pia Gerhardt, Sep 15

1

705

Sep 16

Sep 16

WIP: 2023 14" Lenovo ThinkBook 14 G5+ IRH [13th,14C,H] + RX 9070 XT @ 64Gbps-M.2x4 (EXP GDC OCuP4v2 OCuLink) + Win11 // abandoned due to awfully slow shutdown

By Dennis Madsen, Sep 10

15

1,581

Sep 11

Sep 11

WIP: 2020 HP Z2 Mini G5 Workstation (RTX3000) [10th,8C,K] + RTX 5060 Ti @ 32Gbps-TB3 (Sonnet Breakaway 550) + Win10 // success

By code_g12, Aug 19

0

489

Aug 19

Aug 19

WIP: 2023 Beelink SER7 (780M) [R7K,8C,H] + RX 9070 @ 64Gbps-M.2x4 (AOOSTAR AG02 OCuLink) + Win11 // ABANDONED, was unstable link at 3.0x2 with non-active adapter, ReDriver adapter not recognized

By CaptainMarvel0us, Jul 09

3

539

Jul 25

Jul 25

WIP: 2024 Minisforum MS-01 [12th,14C,H] + RTX 3050 @ 128Gbps-PCIe (??) + Win11 // solved, RTX 3050 was faulty

By Top_Billing, Jul 15

0

574

Jul 15

Jul 15

WIP: 2025 14" System76 DarterPro [CU2,16C,H] + Arc B580 @ 32Gbps-TB4 (Razer Core X) + Linux

By cement_head, Jun 03

22

2,430

Jul 12

Jul 12

WIP: 2020 15" HP Pavilion 15-dk1045TG (GTX1650Ti) [10th,4C,H] + RTX 5070 Ti @ 8 Gbps-M.2x1 (ADT-Link R43SL) + Win11

By Colt Kretsinger, Jun 28

0

250

Jun 28

Jun 28

WIP: 2023 14" Razer Blade 14 (RTX4070M) [R7K,8C,H] + RTX 5070 @ 32Gbps-USB4v1 (Razer Core X Chroma) + Win11 // gave up as far too unstable - I think the Nvidia 50x drivers are not ready for eGPU yet

By thunderb0lt, Apr 15

6

1,400

Jun 16

Jun 16

WIP: 2023 14" ASUS Zenbook 14X Q420 [13th,14C,H] + RTX 3060 Ti @ 32Gbps-TB4 (ADT-Link UT3G) + Win11 23H2 // device manager reports device is working but Nvidia control panel doesn't open

By HonkusMaximus, Dec 09, 23

3

2,250

Jun 15

Jun 15

WIP: 2022 14" ASUS Zephyrus G14 (RX6700S) [R6K,8C,H] + RTX 3060 Ti @ 32Gbps-USB4v1 (AOOSTAR AG02) + Win11 // only connects at PCIE x2 4.0

By mbliss11, Apr 28

6

1,883

Jun 09

Jun 09

WIP: 2023 AOOSTAR GEM12 Max (780M) [R7K,8C,H] + RX 6700 XT @ 64Gbps-OLx4 (Minisforum DEG1 OCuLink) + Win11 // constant crashes

By Michael Caminiti, Jun 07

1

1,124

Jun 08

Jun 08

WIP: 2024 14" TUXEDO InfinityBook Pro14 Gen9 AMD (780M) [R8K,8C,H] + RTX 3090 @ 64Gbps-USB4v1 (ADT-Link UT4G) + Linux Debian trixie // lspci shows eGPU, nvidia-smi shows 'No devices were found', syslog contains 'RmInitAdapter failed!'

By morgwai, Feb 03

39

3,823

May 27

May 27

WIP: 2021 13" Dell Latitude 7320 [11th,4C,U] + RTX 5070 Ti @ 32Gbps-TB4 (EXP GDC TH3P4G3) + Win11 // no eGPU bandwidth measures yet as see error event 14

By rra, May 26

0

932

May 26

May 26

WIP: 2019 15" Dell G5 15 5590 (GTX1660Ti) [9th,6C,H] + RTX 5060 Ti @ 32Gbps-TB3 (EXP GDC TH3P4G3) + Win10

By mssiac, May 24

0

1,073

May 24

May 24

WIP: 2025 16" Samsung Galaxy Book5 Pro [CU2,8C,V] + RX 9070 @ 32Gbps-TB4 (AOOSTAR AG02) + Win11 // Games won't load when I use internal display

By Damian Mannion, May 11

0

879

May 11

May 11

2023 ASRock DeskMini X600 + R7 7700 + RTX 3060 Ti (JHH-Link Dock-M.2 NVMe) - eGPU Issues // is it because of using a PCIe 3.0 eGPU adapter with PCIe 4.0 system & GPU?

By Smas, Mar 31

9

1,716

May 05

May 05

WIP: 2020 15" Acer Nitro 5 AN515-44 (GTX1650) [R4K,8C,H] + RX 6700 XT @ 32Gbps-M.2x4 (ADT-Link F9G OCuLink) + Win10 // Energy Fluctuations, FPS drops when testing / playing, BSOD when trying to detach Audio device in USB / Mini-jack

By Grundundit, Apr 22

1

413

Apr 27

Apr 27

WIP: 2023 7" AYANEO Geek 1S (780M) [R7K,8C,U] + RX 6800 @ 32Gbps-USB4v1 (Razer Core X Chroma) + Linux & Win11

By immelman3, Apr 09, 24

2

2,326

Apr 06

Apr 06

WIP: 2021 15" Dell XPS 15 9510 (RTX3050Ti) [11th,8C,H] + RX 6700 XT @ ?Gbps-M.2x4 (Minisforum DEG1 OCuLink) + Linux Fedora 41 & Win10 // eGPU bandwidth limited to 8Gbps PCIe 1.1 x4 on Win10

By Leafiota, Apr 05

0

634

Apr 05

Apr 05

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