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Synology RS1226+ vs Synology RS1221+

Two of the multi-bay nas (5+ bays) in our best multi-bay nas (5+ bays, 2026) comparison, lined up spec by spec. Every figure comes from the manufacturer pages linked below, and the scores use the same published formula as the full ranking.

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#56 of 59 in Multi-Bay NAS (5+ bays)

Synology RS1226+

1.9/10

Best for: 8 official bays, 4 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU

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#59 of 59 in Multi-Bay NAS (5+ bays)

Synology RS1221+

1.5/10

Best for: 8 official bays, 4 GB official installed memory, 1GbE official onboard Ethernet, 4-core official CPU

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Spec-by-spec comparison

Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.

SpecSynology RS1226+Synology RS1221+Weight
Official drive baysOfficial drive-bay count published on the maker's specification table. For all-flash models that list only official M.2 slots, we use that official M.2 count and say so on the product page. Expansion units are not added to this figure. Missing values take the category minimum. 8 8 28%
Installed system memoryOfficial installed system memory published on the maker's specification table. Missing values take the category minimum. 4 GB 4 GB 26%
Fastest official onboard EthernetFastest official onboard Ethernet port speed on the maker's specification table. Optional PCIe or add-in-card ports are not counted. Missing values take the category minimum. 2.5 Gbps 1 Gbps 24%
Official CPU core countOfficial CPU core count published on the maker's specification table. Missing values take the category minimum. 4 4 22%
Drive bays (official table)8 official bays — 8 × 3.5" SATA HDD or 2.5" SATA SSD 2 × M.2 2280 NVMe SSD8 official bays — 8 × 3.5" SATA HDD or 2.5" SATA HDD/SSDinfo
M.2 slots (official table)2Not listedinfo
Installed system memory (official table)4 GB DDR4 ECC SODIMM4 GB DDR4 ECC SODIMMinfo
Maximum memory capacity (official table)32 GB (16 GB × 2)32 GB (16 GB × 2)info
Memory type (official table)Official installed memory is listed as ECCOfficial installed memory is listed as ECCinfo
CPU (official table)AMD Ryzen V1500BAMD Ryzen V1500Binfo
Official CPU core count44info
Official CPU thread count88info
Fastest official onboard Ethernet2.5 Gbps1 Gbpsinfo
Official onboard Ethernet port count24info
Official onboard Ethernet rows2 × official 2.5GbE (RJ-45 2.5GbE LAN Port: 2)4 × official 1GbE (RJ-45 1GbE LAN Port: 4)info
Aggregate official onboard Ethernet (computed)5 Gbps, computed as the sum of official onboard port count × official port speed from the published LAN rows (2 × official 2.5GbE (RJ-45 2.5GbE LAN Port: 2))4 Gbps, computed as the sum of official onboard port count × official port speed from the published LAN rows (4 × official 1GbE (RJ-45 1GbE LAN Port: 4))info
Form factor (official table or official model family)2U2Uinfo
Hot-swappable drives (official table)YesYesinfo
Dimensions (official table)88 mm × 482 mm × 306.6 mm88 mm × 482 mm × 306.6 mminfo
Weight (official table)6.8 kg6.9 kginfo
Power supply (official table)250 watts250 wattsinfo
Related official records with the same scored hardwareThe official specification table also lists RS1226RP+ as a related model. Scored hardware figures on the official pages we used are the same; the official difference is a redundant power supply and the published size or weight that goes with it. We keep one product page for this official hardware set so the RP and non-RP listings are not given separate nearly identical pages.The official specification table also lists RS1221RP+ as a related model. Scored hardware figures on the official pages we used are the same; the official difference is a redundant power supply and the published size or weight that goes with it. We keep one product page for this official hardware set so the RP and non-RP listings are not given separate nearly identical pages.info
Hardware Encryption Engine (official table)YESYESinfo
Total Memory Slots (official table)22info
USB 3.2 Gen 1 Port (official table)22info
PCIe Expansion (official table)1 × Gen3 x8 slot (x4 link)1 × Gen3 x8 slot (x4 link)info
Noise Level (official table)23.3 dB(A)37.8 dB(A)info
Wake on LAN / WAN (official table)YESYESinfo
Power Consumption (official table)72.33 watts (Access) / 20.74 watts (HDD Hibernation)49.89 watts (Access) / 22.64 watts (HDD Hibernation)info
VaultPick score1.9/101.5/10100%

Where each one comes out ahead

Synology RS1226+

Better published figure on: Fastest official onboard Ethernet.

What we like

  • Official table lists a 2.5GbE onboard Ethernet port
  • Official maximum memory capacity is 32 GB
  • Official installed memory is listed as ECC
  • Official table lists 2 M.2 slots

Watch out for

  • Official form is rackmount, so it needs a rack, rails and a plan for moving the unit safely

Synology RS1221+

No scored spec where it is strictly ahead; its case rests on the strengths below.

What we like

  • Official maximum memory capacity is 32 GB
  • Official installed memory is listed as ECC
  • Official table lists 4 onboard Ethernet ports
  • Official table lists hot-swappable drive bays

Watch out for

  • Fastest official onboard Ethernet on the table we used is 1GbE
  • Official form is rackmount, so it needs a rack, rails and a plan for moving the unit safely

Verdict

The official specification tables list the Synology RS1221+ as a rackmount unit and the Synology RS1226+ as a rackmount unit. The Synology RS1221+ record lists 8 official bays, 4 GB official installed memory, 1GbE official onboard Ethernet, 4-core official CPU, 4 official onboard Ethernet ports. The Synology RS1226+ record lists 8 official bays, 4 GB official installed memory, 2.5GbE official onboard Ethernet, 4-core official CPU, 2 official onboard Ethernet ports.

Synology RS1226+ on AmazonSynology RS1221+ on Amazon
Spec sources

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