Which SSD cache should I use for my NAS?

Last updated on 01 Nov 2021 📧 Subscribe

Which SSD cache should I use for my NAS?

NVME M.2 list with endurance – DWPD/ MTBF

 

There are two main types of M.2 SSD. One is regular SATA speed and there is NVME M.2 SSD. The difference is quite significant. SATA speed is around 500MB/s whereas NVMe is above 2000MB/s.

Not all NAS support NVME speed. You need to check specs. Here is a short list of M.2 compatibility per NAS:

NAS with built in cache slots

RS1619xs+ – built in NVME cache

DS918+  – built in NVME cache

DS1019+  – built in NVME cache

upcoming DS920+, DS718+, DS420+  – built in NVME cache

NAS with NVME PCIe card

NVMe & SATA SSD – both types supported
  • FS1018
  • RS2818RP+
  • RS2418RP+
  • RS2418+
  • RS820RP+
  • RS820+
  • DS3018xs
  • DS2419+
  • DS1819+
  • DS1618+

NAS with SATA SSD PCIe card

SATA SSD only
  • FS2017
  • RS18017xs+
  • RS4017xs+
  • RS3618xs
  • RS3617xs+
  • RS3617RPxs
  • RS1219+
  • RS818RP+
  • RS818+
  • DS3617xs
  • DS1817+
  • DS1517+

Qnap SATA speed M.2 based NAS:

HS-453DX-4G   – SATA M.2

TS-451DeU-2G  -SATA M.2

TS-473 ans othe x73 models    -SATA M.2

TS-932X    -SATA M.2

TVS-473e and other 73e models    -SATA M.2

TS-453BT3    -SATA M.2

TVS-472XT and other 72XT and 72N models       -NVME  M.2

TVS-682 and other x82 models    -SATA M.2

TS-1673U    -SATA M.2

TS-1685    -SATA M.2

 

Here are recommended NVME speed SSD

Samsung

Price/TB Price Capacity inch MTBF RPM read/write IOPS Watt W Endurance url
£187 £187 1TB M.2 1.5m hours MTBF SSD 3500/3300 <550K 5.8 5yr 0.33
Samsung SSD 970 EVO PLUS MZ-V7S1T0BW M.2 2280 NVMe 1TB SSD
£194.5 £389 2TB M.2 1.5m hours MTBF SSD tbc/tbc <560K tbc 5yr 0.33
Samsung SSD 970 EVO PLUS MZ-V7S2T0BW M.2 2280 NVMe 2TB SSD
£216 £108 500GB M.2 1.5m hours MTBF SSD 3500/3200 <550K 5.6 5yr 0.33
Samsung SSD 970 EVO PLUS MZ-V7S500BW M.2 2280 NVMe 500GB SSD
£276 £69 250GB M.2 1.5m hours MTBF SSD 3500/2300 <550K 5 5yr 0.33
Samsung SSD 970 EVO PLUS MZ-V7S250BW M.2 2280 NVMe 250GB SSD

EVO

Price/TB Price Capacity inch MTBF RPM read/write IOPS Watt W Endurance url
£188 £188 1TB M.2 1.5m hours MTBF SSD 3400/2500 450-500K 6 5yr 0.33
Samsung SSD 970 EVO MZ-V7E1T0BW M.2 2280 NVMe 1TB SSD
£196 £98 500GB M.2 1.5m hours MTBF SSD 3400/2300 370-450K 5.7 5yr 0.33
Samsung SSD 970 EVO MZ-V7E500BW M.2 2280 NVMe 500GB SSD

Seagate

Price/TB Price Capacity inch MTBF RPM read/write IOPS Watt W Endurance url
£199.48 £383 1.92TB M.2 SSD 3150/850 <290K 6 5yr 1
Seagate Ironwolf 510 SSD (Bulk) ZP1920NM30011 M.2 2280 NVMe 1.92TB SSD
£238.54 £229 960GB M.2 SSD 3150/1000 <380K 6 5yr 1
Seagate Ironwolf 510 SSD (Bulk) ZP960NM30011 M.2 2280 NVMe 960GB SSD
£252.08 £121 480GB M.2 SSD 2650/600 <193K 6 5yr 1
Seagate Ironwolf 510 SSD (Bulk) ZP480NM30011 M.2 2280 NVMe 480GB SSD
£350 £84 240GB M.2 SSD 2450/290 <100K 5.3 5yr 1
Seagate Ironwolf 510 SSD (Bulk) ZP240NM30011 M.2 2280 NVMe 240GB SSD

 

 

Here are recommended SATA speed SSD

Samsung

 

Price/TB Price Capacity inch MTBF RPM read/write IOPS Watt W Endurance url
£130 £260 2TB M.2 1.5m hours MTBF SSD <550/<520 <90-98K 3 5yr 0.33
Samsung SSD 860 EVO MZ-N6E2T0BW M.2 2280 6Gb/s 2TB SSD
£133 £133 1TB M.2 1.5m hours MTBF SSD <550/<520 <90-98K 3 5yr 0.33
Samsung SSD 860 EVO MZ-N6E1T0BW M.2 2280 6Gb/s 1TB SSD
£152 £76 500GB M.2 1.5m hours MTBF SSD <550/<520 <90-98K 2.5 5yr 0.33
Samsung SSD 860 EVO MZ-N6E500BW M.2 2280 6Gb/s 500GB SSD
£208 £52 250GB M.2 1.5m hours MTBF SSD <550/<520 <90-98K 2.2 5yr 0.33
Samsung SSD 860 EVO MZ-N6E250BW M.2 2280 6Gb/s 250GB SSD

Western Digital

Price/TB Price Capacity inch MTBF RPM read/write IOPS Watt W Endurance url
£116 £116 1TB M.2 2M hours MTTF SSD 560/530 85-95K <3.75 5yr 0.33
Western Digital WD Red SA500 SSD WDS100T1R0B M.2 2280 6Gb/s 1TB SSD
£120.5 £241 2TB M.2 2M hours MTTF SSD 560/530 85-95K <3.80 5yr 0.36
Western Digital WD Red SA500 SSD WDS200T1R0B M.2 2280 6Gb/s 2TB SSD
£132 £66 500GB M.2 2M hours MTTF SSD 560/530 85-95K <3.35 5yr 0.38
Western Digital WD Red SA500 SSD WDS500G1R0B M.2 2280 6Gb/s 500GB SSD

 

Cheapest NAS with SSD cache

 



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