Best 24-bay NAS — every model, every vendor, one table

12 NAS models ship with 24 drive bays across QNAP, TerraMaster. Specs from the vendors' own sheets; the "drives listed" column is each vendor's official compatibility-list depth — our data, read daily, refreshed 2026-11-03.

12
24-bay models
2
Vendors
383
Deepest list (QNAP TS-h2477XU-RP)
12
Drives shared across this class

How to choose a 24-bay NAS in 2026

12 NAS models across 2 vendors ship with 24 drive bays. The table below lists every one of them with its official drive-list depth — read each model page for the vendor's own tested drives.

All 24-bay models, ranked by official drive-list depth

CPU/RAM shown where the vendor publishes them (Synology/QNAP specs); "drives listed" = rows on the vendor's own compatibility tool.

ModelVendorCPURAMDrives listed
QNAP TS-h2477XU-RP QNAP AMD Ryzen 7 3700X 8-core/16-thread processor, burst up to 4.4 GHz 32 GB UDIMM DDR4 383
QNAP TVS-EC2480U-SAS-RP R2 QNAP — — 302
QNAP TS-h2483XU-RP QNAP Intel Xeon E E-2136 6-core / 12-thread processor 128 GB UDIMM DDR4 ECC 297
QNAP TS-EC2480U QNAP — — 287
QNAP TS-EC2480U R2 QNAP — — 287
QNAP TVS-EC2480U-SAS-RP QNAP — — 271
QNAP TS-2483XU-RP QNAP Intel Xeon E E-2136 6-core / 12-thread processor 16 GB UDIMM DDR4 ECC 253
QNAP TS-2477XU-RP QNAP AMD Ryzen 7 2700 8-core/16-thread processor, burst up to 4.1 GHz 16 GB UDIMM DDR4 247
QNAP TL-R2400PES-RP QNAP — — 228
QNAP TVS-2472XU-RP QNAP Intel Core i5-8500 6-core 3.0 GHz Processor, Max turbo to 4.1 GHz. 8 GB UDIMM DDR4 200
TerraMaster U24 TerraMaster — — 172
QNAP TS-h2477AXU-RP QNAP AMD Ryzen 7 Pro 7000 series 8-core/16-thread processor, burst up to 5.3 GHz 1 32 GB UDIMM DDR5 113

Drives the most 24-bay machines share

Cross-checked against every 24-bay model's official list on this site — the safest part numbers when you're not sure which box you'll end up with:

DriveBrandSeriesListed on
ST16000NM001G Seagate Enterprise 11 of 12 models price 
ST14000NM001G Seagate EXOS x16 11 of 12 models price 
MG05ACA800E Toshiba MG05ACA**** 10 of 12 models price 
ST6000NM021A Seagate Exos 7E8 10 of 12 models price 
ST8000NM0206 Seagate Exos X10 10 of 12 models price 
ST10000NM0086 Seagate Exos X10 10 of 12 models price 
ST6000VN0033 Seagate Surveillance 10 of 12 models price 
ST4000NE0025 Seagate IronWolf Pro 10 of 12 models price 
ST6000NE0023 Seagate IronWolf Pro 10 of 12 models price 
ST12000NE0007 Seagate IronWolf Pro 10 of 12 models price 
ST8000NM000A Seagate Exos 7E8 10 of 12 models price 
ST8000NE001 Seagate IronWolf Pro 10 of 12 models price 

Other bay counts