X

Guides

PC-configurator
Register Login
 EN   DA   SV
To gain full access to our webshop, find our entire product range and see our prices, you need to be logged in.
Log in to your account here or sign up as a customer here.
  1. Front page
  2. Storage and NAS
  3. SSD
We don't have products matching your search criteria in our local stock, so we included results from our external stocks.
Show all options
Show all options
Show all options
Show all options
Show all options

SSD

(1271)
ADATA SSD SD810 1TB USB 3.2 Gen 2

ADATA SSD SD810 1TB USB 3.2 Gen 2

Transcend Solid state-drev ESD320A 1TB USB 3.2 Gen 2x1

Transcend Solid state-drev ESD320A 1TB USB 3.2 Gen 2x1

PNY SSD RP60 2TB USB 3.2 Gen 2x2

PNY SSD RP60 2TB USB 3.2 Gen 2x2

Verbatim Pocket SSD 1TB M.2 USB 3.2 Gen 2

Verbatim Pocket SSD 1TB M.2 USB 3.2 Gen 2

  • Product no 1002539557
  • Model 32192
  • Brand Verbatim
  • EAN 0023942321927
Verbatim Store 'n' Go SSD Mini Diamond 1TB USB 3.2 Gen 1

Verbatim Store 'n' Go SSD Mini Diamond 1TB USB 3.2 Gen 1

  • Product no 1003107824
  • Model 32025
  • Brand Verbatim
  • EAN 0023942320258
Verbatim Store 'n' Go SSD Portable 256GB USB 3.1 Gen 1

Verbatim Store 'n' Go SSD Portable 256GB USB 3.1 Gen 1

  • Product no 993161566
  • Model 53402
  • Brand Verbatim
  • EAN 0023942534020
SSD NQ790 512GB High Speed PCIe Gen 4X4 M.2 NVMe up to 6400 MB/s readand 2900 MB/s write

Lexar NQ790 512GB M.2 PCI Express 4.0 x4 (NVMe)

  • Product no 1003852541
  • Model LNQ790X512G-RNNNG
  • Brand Lexar
  • EAN 0843367144433
Kingston SSD KC600 256GB 2.5' SATA-600

Kingston SSD KC600 256GB 2.5" SATA-600

Kingston FURY SSD 1TB M.2 PCI Express 5.0 x4 (NVMe)

Kingston Fury Renegade G5 1TB M.2 PCI Express 5.0 x4 (NVMe)

Samsung MU-PD4T0G/WW SSD 4TB 3.2 Gen 2

Samsung MU-PD4T0G/WW SSD 4TB 3.2 Gen 2

  • Product no 1003814374
  • Model MU-PD4T0G/WW
  • Brand Samsung
  • EAN 8806097817857
Kingston Technology DC2000B 240GB M.2 PCI Express 4.0 (NVMe)

Kingston Technology DC2000B 240GB M.2 PCI Express 4.0 (NVMe)

Origin Storage Inception TLC830 Pro Series SSD 1TB M.2 PCI Express 4.0 (NVMe)

Origin Storage Inception TLC830 Pro Series SSD 1TB M.2 PCI Express 4.0 (NVMe)

SanDisk Optimus GX PRO 8100 2TB M.2 PCI Express 5.0 (NVMe)

SanDisk Optimus GX PRO 8100 2TB M.2 PCI Express 5.0 (NVMe)

  • Product no 1003902184
  • Model SDSP82200TAN-000E0
  • Brand SanDisk
  • EAN 0619659230982
SanDisk Optimus GX PRO 8100 1TB M.2 PCI Express 5.0 (NVMe)

SanDisk Optimus GX PRO 8100 1TB M.2 PCI Express 5.0 (NVMe)

  • Product no 1003902182
  • Model SDSP82100TAN-000E0
  • Brand SanDisk
  • EAN 0619659230999
Transcend SSD ESD420 2TB USB 3.2 Gen 2x2

Transcend SSD ESD420 2TB USB 3.2 Gen 2x2

Team Group T-FORCE SSD GA PRO 1TB M.2 PCI Express 5.0 x4 (NVMe)

Team Group T-FORCE SSD GA PRO 1TB M.2 PCI Express 5.0 x4 (NVMe)

  • Product no 1002923215
  • Model TM8FFJ001T0C129
  • Brand Team Group
  • EAN 4711430803951
Verbatim Store 'n' Go Mini Diamond 2TB 3.2 Gen 2

Verbatim Store 'n' Go Mini Diamond 2TB 3.2 Gen 2

  • Product no 1003107825
  • Model 32026
  • Brand Verbatim
  • EAN 0023942320265
Transcend SSD ESD420 2TB USB 3.2 Gen 2x2

Transcend SSD ESD420 2TB USB 3.2 Gen 2x2

ADATA Legend SSD 710 1TB M.2 PCI Express 3.0 x4 (NVMe)

ADATA Legend SSD 710 1TB M.2 PCI Express 3.0 x4 (NVMe)

Team Group T-FORCE SSD Vulcan Z 1TB 2.5' Serial ATA-600

Team Group T-FORCE SSD Vulcan Z 1TB 2.5" Serial ATA-600

  • Product no 1000606038
  • Model T253TZ001T0C101
  • Brand Team Group
  • EAN 0765441060470
Transcend SSD MTS825S 250GB M.2 Serial ATA-600

Transcend SSD MTS825S 250GB M.2 Serial ATA-600

HPE SSD 1.92TB 2.5' Serial Attached SCSI 3

HPE SSD 1.92TB 2.5" Serial Attached SCSI 3

GOODRAM SSD PX700 4TB M.2 PCI Express 4.0 x4 (NVMe)

GOODRAM SSD PX700 4TB M.2 PCI Express 4.0 x4 (NVMe)

  • Product no 1001767762
  • Model SSDPR-PX700-04T-80
  • Brand Wilk Elektronik
  • EAN 5908267965061
Team Group T-FORCE Z44A Series Solid state-drev Z44A5 1TB M.2 PCI Express 4.0 x4 (NVMe)

Team Group T-FORCE Z44A Series Solid state-drev Z44A5 1TB M.2 PCI Express 4.0 x4 (NVMe)

  • Product no 1001771653
  • Model TM8FPP001T0C129
  • Brand Team Group
  • EAN 0765441366145
EMTEC Power Pro SSD X400 2TB M.2 PCI Express 4.0 x4 (NVMe)

EMTEC Power Pro SSD X400 2TB M.2 PCI Express 4.0 x4 (NVMe)

Fujitsu Solid state-drev 2048GB M.2 PCI Express (NVMe)

Fujitsu Solid state-drev 2048GB M.2 PCI Express (NVMe)

  • Product no 999018584
  • Model S26492-F2644-L225
  • Brand Fujitsu
  • EAN 4063872871334
EMTEC Solid state-drev 1TB 2.5' SATA-300 SATA-600

EMTEC Solid state-drev 1TB 2.5" SATA-300 SATA-600

GOODRAM SSD PX600 1000GB M.2 PCI Express 4.0 x4 (NVMe)

GOODRAM SSD PX600 1000GB M.2 PCI Express 4.0 x4 (NVMe)

  • Product no 1001193012
  • Model SSDPR-PX600-1K0-80
  • Brand Wilk Elektronik
  • EAN 5908267964095
Transcend SSD ESD300C 2TB USB 3.2 Gen 2x1

Transcend SSD ESD300C 2TB USB 3.2 Gen 2x1

CORSAIR SSD MP600 PRO XT 1TB M.2 PCI Express 4.0 x4 (NVMe)

CORSAIR SSD MP600 PRO XT 1TB M.2 PCI Express 4.0 x4 (NVMe)

  • Product no 999393677
  • Model CSSD-F1000GBMP600PXT
  • Brand Corsair
  • EAN 0840006645085
SILICON POWER Xpower Solid state-drev XS70 2TB M.2 PCI Express 4.0 x4 (NVMe)

SILICON POWER Xpower Solid state-drev XS70 2TB M.2 PCI Express 4.0 x4 (NVMe)

  • Product no 1000375462
  • Model SP02KGBP44XS7005
  • Brand Silicon Power
  • EAN 4713436146339
Origin Storage Inception E840 Pro SSD 1TB M.2 USB 3.2 Gen 2

Origin Storage Inception E840 Pro SSD 1TB M.2 USB 3.2 Gen 2

CORSAIR Force Series SSD MP600 PRO LPX 4TB M.2 PCI Express 4.0 x4 (NVMe)

CORSAIR Force Series SSD MP600 PRO LPX 4TB M.2 PCI Express 4.0 x4 (NVMe)

  • Product no 1001094211
  • Model CSSD-F4000GBMP600PLP
  • Brand Corsair
  • EAN 0840006692157
SILICON POWER SSD PC60 2TB USB 3.2 Gen 2

SILICON POWER SSD PC60 2TB USB 3.2 Gen 2

  • Product no 1001093977
  • Model SP020TBPSDPC60CK
  • Brand Silicon Power
  • EAN 4713436149972
PNY SSD XLR8 CS3140 4TB M.2 PCI Express 4.0 x4 (NVMe)

PNY SSD XLR8 CS3140 4TB M.2 PCI Express 4.0 x4 (NVMe)

Kingston IronKey Vault Privacy SSD 80 960GB USB 3.2 Gen 1

Kingston IronKey Vault Privacy SSD 80 960GB USB 3.2 Gen 1

HPE SSD 800GB 2.5' Serial Attached SCSI 3

HPE SSD 800GB 2.5" Serial Attached SCSI 3

Transcend SSD 240S 1TB M.2 PCI Express 4.0 x4 (NVMe)

Transcend SSD 240S 1TB M.2 PCI Express 4.0 x4 (NVMe)

CORSAIR SSD MP600 PRO 2TB M.2 PCI Express 4.0 x4 (NVMe)

CORSAIR SSD MP600 PRO 2TB M.2 PCI Express 4.0 x4 (NVMe)

  • Product no 998238998
  • Model CSSD-F2000GBMP600HXE
  • Brand Corsair
  • EAN 0840006637332
Lexar NS100 SSD 1TB 2.5' SATA-600

Lexar NS100 SSD 1TB 2.5" SATA-600

  • Product no 996113787
  • Model LNS100-1TRB
  • Brand Lexar
  • EAN 0843367117222
PNY SSD XLR8 CS3140 2TB M.2 PCI Express 4.0 x4 (NVMe)

PNY SSD XLR8 CS3140 2TB M.2 PCI Express 4.0 x4 (NVMe)

GOODRAM SSD CX400 512GB 2.5' SATA-600

GOODRAM SSD CX400 512GB 2.5" SATA-600

  • Product no 996266967
  • Model SSDPR-CX400-512-G2
  • Brand Wilk Elektronik
  • EAN 5908267923450
MediaRange Solid state-drev MR1102 480TB USB 3.2 Gen 2

MediaRange Solid state-drev MR1102 480TB USB 3.2 Gen 2

  • Product no 996016058
  • Model MR1102
  • Brand MediaRange
  • EAN 4260664870517
Transcend SSD PSD330 32GB 2.5' IDE/ATA

Transcend SSD PSD330 32GB 2.5" IDE/ATA

Fujitsu SSD 150GB M.2 SATA

Fujitsu SSD 150GB M.2 SATA

  • Product no 992905146
  • Model S26361-F5634-D151
  • Brand Fujitsu
  • EAN 4059595426081
SILICON POWER Slim SSD S56 480GB 2.5' SATA-600

SILICON POWER Slim SSD S56 480GB 2.5" SATA-600

  • Product no 992155272
  • Model SP480GBSS3S56A25
  • Brand Silicon Power
  • EAN 4712702652918
ADATA Ultimate SSD SU630 480GB 2.5' SATA-600

ADATA Ultimate SSD SU630 480GB 2.5" SATA-600

WD Red SA500 NAS SATA SSD SSD WDS500G1R0B 500GB M.2 SATA-600

WD Red SA500 NAS SATA SSD SSD WDS500G1R0B 500GB M.2 SATA-600

Origin Storage Solid state-drev 2TB M.2 PCI Express (NVMe)

Origin Storage Solid state-drev 2TB M.2 PCI Express (NVMe)

EMTEC Power Pro SSD X300 512GB M.2 PCI Express 3.0 x4 (NVMe)

EMTEC Power Pro SSD X300 512GB M.2 PCI Express 3.0 x4 (NVMe)

Verbatim Vi560 S3 SSD 1TB M.2 SATA-600

Verbatim Vi560 S3 SSD 1TB M.2 SATA-600

  • Product no 995614199
  • Model 49364
  • Brand Verbatim
  • EAN 0023942493648
iStorage diskAshur M² SSD 1TB USB 3.1 Gen 1

iStorage diskAshur M² SSD 1TB USB 3.1 Gen 1

  • Product no 997103585
  • Model IS-DAM2-256-1000
  • Brand iStorage
  • EAN 5060220253384
SILICON POWER SSD A55 128GB 2.5' SATA-600

SILICON POWER SSD A55 128GB 2.5" SATA-600

  • Product no 992806326
  • Model SP128GBSS3A55S25
  • Brand Silicon Power
  • EAN 4712702659108
HP Solid state-drev Z Turbo Drive 2TB M.2 PCI Express 4.0 x4

HP Solid state-drev Z Turbo Drive 2TB M.2 PCI Express 4.0 x4

Patriot SSD P220 512GB 2.5' Serial ATA-300

Patriot SSD P220 512GB 2.5" Serial ATA-300

  • Product no 1000904095
  • Model P220S512G25
  • Brand Patriot Memory
  • EAN 4711378422351
ADATA XPG SSD GAMMIX S70 Blade 512GB M.2 PCI Express 4.0 x4 (NVMe)

ADATA XPG SSD GAMMIX S70 Blade 512GB M.2 PCI Express 4.0 x4 (NVMe)

  • Product no 1000041351
  • Model AGAMMIXS70B-512G-CS
  • Brand ADATA Technology
  • EAN 4711085936219
Verbatim SSD Vx500 480GB USB 3.1 Gen 2

Verbatim SSD Vx500 480GB USB 3.1 Gen 2

  • Product no 993155195
  • Model 47443
  • Brand Verbatim
  • EAN 0023942474432
Transcend Solid state-drev ESD265C 500GB

Transcend Solid state-drev ESD265C 500GB

Transcend SSD MTS825S 1TB M.2 Serial ATA-600

Transcend SSD MTS825S 1TB M.2 Serial ATA-600

LaCie Mobile Secure SSD STKH2000800 2TB USB 3.2 Gen 2

LaCie Mobile Secure SSD STKH2000800 2TB USB 3.2 Gen 2

  • Product no 1002245237
  • Model STKH2000800
  • Brand Seagate
  • EAN 3660619040803
Supermicro SSD 64GB SATA-600

Supermicro SSD 64GB SATA-600

CORSAIR SSD MP700 PRO 4TB M.2 PCI Express 5.0 x4 (NVMe)

CORSAIR SSD MP700 PRO 4TB M.2 PCI Express 5.0 x4 (NVMe)

  • Product no 1001917081
  • Model CSSD-F4000GBMP700PNH
  • Brand Corsair
  • EAN 0840006675181
Team Group SSD MS30 512GB M.2 SATA-600

Team Group SSD MS30 512GB M.2 SATA-600

  • Product no 993432884
  • Model TM8PS7512G0C101
  • Brand Team Group
  • EAN 0765441040977
Intenso SSD PREMIUM 1TB M.2 PCI Express 3.0 x4 (NVMe)

Intenso SSD PREMIUM 1TB M.2 PCI Express 3.0 x4 (NVMe)

  • Product no 999396027
  • Model 3835460
  • Brand Intenso
  • EAN 4034303031221
Transcend SSD MTE250H 1TB M.2 PCI Express 4.0 x4 (NVMe)

Transcend SSD MTE250H 1TB M.2 PCI Express 4.0 x4 (NVMe)

Samsung 980 SSD MZ-V8V1T0BW 1TB M.2

Samsung 980 SSD MZ-V8V1T0BW 1TB M.2

  • Product no 998293015
  • Model MZ-V8V1T0BW
  • Brand Samsung
  • EAN 8806090572210
Transcend SSD MTS600S 64GB M.2 Serial ATA-600

Transcend SSD MTS600S 64GB M.2 Serial ATA-600

Intel SSD Solid-State Drive DC P4510 Series 4TB 2.5' PCI Express 3.1 x4 (NVMe)

Intel SSD Solid-State Drive DC P4510 Series 4TB 2.5" PCI Express 3.1 x4 (NVMe)

  • Product no 999042609
  • Model SSDPE2KX040T807
  • Brand Intel
  • EAN 0735858489065
Integral INSSD960GS625V2 960GB 2.5' SATA-600

Integral INSSD960GS625V2 960GB 2.5" SATA-600

  • Product no 1000565402
  • Model INSSD960GS625V2
  • Brand INTEGRAL
  • EAN 5055288447417
Transcend SSD ESD260C 250GB USB 3.1 Gen 2

Transcend SSD ESD260C 250GB USB 3.1 Gen 2

Crucial SSD P310 500GB M.2 PCI Express 4.0 x4 (NVMe)

Crucial SSD P310 500GB M.2 PCI Express 4.0 x4 (NVMe)

  • Product no 1002407382
  • Model CT500P310SSD8
  • Brand Crucial
  • EAN 0649528941787
Transcend SSD MTE400S 256GB M.2 PCI Express 3.0 x4 (NVMe)

Transcend SSD MTE400S 256GB M.2 PCI Express 3.0 x4 (NVMe)

SILICON POWER SSD XD80 1TB M.2 PCI Express 3.0 x4 (NVMe)

SILICON POWER SSD XD80 1TB M.2 PCI Express 3.0 x4 (NVMe)

  • Product no 998834715
  • Model SP001TBP34XD8005
  • Brand Silicon Power
  • EAN 4713436142959
Crucial SSD P310 2TB M.2 PCI Express 4.0 x4 (NVMe)

Crucial SSD P310 2TB M.2 PCI Express 4.0 x4 (NVMe)

  • Product no 1002314705
  • Model CT2000P310SSD2
  • Brand Crucial
  • EAN 0649528942265
SILICON POWER SSD Slim S55 120GB 2.5' SATA-600

SILICON POWER SSD Slim S55 120GB 2.5" SATA-600

  • Product no 988913674
  • Model SP120GBSS3S55S25
  • Brand Silicon Power
  • EAN 4712702629149
KIOXIA EXCERIA PRO SSD LSE10Z001TG8 1TB M.2 PCI Express 4.0 x4 (NVMe)

KIOXIA EXCERIA PRO SSD LSE10Z001TG8 1TB M.2 PCI Express 4.0 x4 (NVMe)

  • Product no 999857447
  • Model LSE10Z001TG8
  • Brand KIOXIA
  • EAN 4582563854048
Team Group SSD CX2 CLASSIC 256GB 2.5' SATA-600

Team Group SSD CX2 CLASSIC 256GB 2.5" SATA-600

  • Product no 996207656
  • Model T253X6256G0C101
  • Brand Team Group
  • EAN 0765441051928
WD Blue SA510 SSD 2TB M.2 Serial ATA-600

WD Blue SA510 SSD 2TB M.2 Serial ATA-600

  • Product no 1003046789
  • Model WDS200T3B0B
  • Brand SanDisk
  • EAN 0718037884684
Team Group SSD MP33 2TB M.2 PCI Express 3.0 x4 (NVMe)

Team Group SSD MP33 2TB M.2 PCI Express 3.0 x4 (NVMe)

  • Product no 998088169
  • Model TM8FP6002T0C101
  • Brand Team Group
  • EAN 0765441049116
XPG GAMMIX Solid state-drev S60 512GB M.2 PCI Express 4.0 x4 (NVMe)

XPG GAMMIX Solid state-drev S60 512GB M.2 PCI Express 4.0 x4 (NVMe)

ADATA Legend SSD 900 Pro 1TB M.2 PCI Express 4.0 x4 (NVMe)

ADATA Legend SSD 900 Pro 1TB M.2 PCI Express 4.0 x4 (NVMe)

Philips Externe SSD 2TB Ultra Speed Grey

Philips SSD Portable 2TB USB 3.2 Gen 1

  • Product no 1002962295
  • Model FM02SS031P/00
  • Brand Philips
  • EAN 4895229133563
Kingston SSD NV3 1TB M.2 PCI Express 4.0 x4 (NVMe)

Kingston SSD NV3 1TB M.2 PCI Express 4.0 x4 (NVMe)

Intenso SSD Top Performance 256GB 2.5' SATA-600

Intenso SSD Top Performance 256GB 2.5" SATA-600

  • Product no 75386
  • Model 3812440
  • Brand Intenso
  • EAN 4034303016693
Crucial SSD P3 Plus 1TB M.2 PCI Express 4.0 (NVMe)

Crucial SSD P3 Plus 1TB M.2 PCI Express 4.0 (NVMe)

  • Product no 1000677618
  • Model CT1000P3PSSD8
  • Brand Crucial
  • EAN 0649528918833
EMTEC SSD Power SSD X200 512GB USB 3.1 Gen 1

EMTEC SSD Power SSD X200 512GB USB 3.1 Gen 1

Intenso SSD 1TB 1.8' USB 3.0

Intenso SSD 1TB 1.8" USB 3.0

  • Product no 994974718
  • Model 3823460
  • Brand Intenso
  • EAN 4034303028788
SILICON POWER SSD M.2 2280 A55 256GB M.2 SATA-600

SILICON POWER SSD M.2 2280 A55 256GB M.2 SATA-600

  • Product no 994363869
  • Model SP256GBSS3A55M28
  • Brand Silicon Power
  • EAN 4713436121749
WD Green SSD WDS240G3G0B 240GB M.2 SATA-600

WD Green SSD WDS240G3G0B 240GB M.2 SATA-600

OWC Aura SSD Pro X2 1TB PCI Express 3.1 x4 (NVMe)

OWC Aura SSD Pro X2 1TB PCI Express 3.1 x4 (NVMe)

KIOXIA EXCERIA G2 SSD LRC20Z002TG8 2TB M.2 PCI Express 3.1 x4 (NVMe)

KIOXIA EXCERIA G2 SSD LRC20Z002TG8 2TB M.2 PCI Express 3.1 x4 (NVMe)

  • Product no 1000039016
  • Model LRC20Z002TG8
  • Brand KIOXIA
  • EAN 4582563854000
Transcend SSD ESD410C 4TB USB

Transcend SSD ESD410C 4TB USB

Verbatim SnapBack SSD 1TB M.2 2242 USB 3.2 Gen 2x2

Verbatim SnapBack SSD 1TB M.2 2242 USB 3.2 Gen 2x2

  • Product no 1003758129
  • Model 32336
  • Brand Verbatim
  • EAN 0023942323365
Crucial SSD T710 1TB M.2 PCI Express 5.0 x4 (NVMe)

Crucial T710 Solid state-drev Med Køleprofil 1TB M.2 PCI Express 5.0 x4 (NVMe)

  • Product no 1003430300
  • Model CT1000T710SSD5
  • Brand Crucial
  • EAN 0649528945532
GOODRAM SSD PX600 2000GB M.2 PCI Express 4.0 x4 (NVMe)

GOODRAM SSD PX600 2000GB M.2 PCI Express 4.0 x4 (NVMe)

  • Product no 1001193013
  • Model SSDPR-PX600-2K0-80
  • Brand Wilk Elektronik
  • EAN 5908267964101
Transcend SSD 220S 64GB mSATA Serial ATA-600

Transcend SSD 220S 64GB mSATA Serial ATA-600

Internal SSDs

Internal SSDs are used as primary or secondary storage in desktops, workstations, and laptops where performance, stability, and compatibility are critical. The category includes solid state drives for both upgrades and new installations, delivering fast data access, low latency, and reliable operation.

Benefits for resellers

Internal SSDs are well suited for standardized configurations as well as targeted upgrades. A wide range of capacities, interfaces, and form factors makes it possible to support both legacy platforms and modern systems using consistent specifications, simplifying inventory management and compatibility decisions.

Key considerations in this category

  • Capacity: SSDs are available in multiple sizes – from smaller capacities for operating systems and basic installations to larger capacities for applications, databases, and extensive data storage.
  • Interface: The choice of interface directly affects performance and compatibility. SATA is commonly used in existing or older systems, while PCIe/NVMe delivers significantly higher speeds in modern hardware platforms.
  • Form factor: Internal SSDs are available in several form factors, including 2.5" and M.2 in various lengths. The form factor must match the motherboard, chassis, and thermal constraints.
  • Performance: Sequential read/write speeds and IOPS should be aligned with the workload – from standard office use to more demanding environments.
  • Compatibility: BIOS/UEFI support and PCIe generation are important factors when upgrading existing systems.

Brands in this category

Frequently asked questions

How do you choose the right capacity?

Capacity should be selected based on data volume, application requirements, and expected future growth.

Which interface is most relevant?

SATA is typically used in older systems, while PCIe/NVMe is preferred in newer platforms with higher performance requirements.

What does form factor mean for internal SSDs?

The form factor determines physical compatibility with the motherboard and chassis and must match system specifications.

Can internal SSDs be used for upgrades?

Yes, internal SSDs are commonly used for upgrades, provided the interface and form factor are supported.