GENERAL NAS FEATURE COMPARISON
| NAS | Plex (local 4K) | Plex HD (remote) | Plex 4K (remote) | BACKUP (MS/GOOGLE OFFICE) | BACKUP (BAREBONE) | PHOTOS (OBJECT AI) | VIDEO EDITING (4K) | VIDEO EDITING (8K) | DOCKER | VIRTUAL MACHINES | PC MODE (QVM) | 2.5GbE | 10GbE | 25GbE | Thunderbolt | NVMe | Pcie | Expansion | HDMI | Drive Mixing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RS4021xs+ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ⓘ | ✓ | ✓ | ||||||
| RS3621xs+ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ⓘ | ✓ | ✓ | ||||||
| SA3400 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ⓘ | ✓ | ✓ | ✓ |
LATEST PRICE LIST
| RS4021xs+ | 5612.33 USD | |
| RS3621xs+ | ||
| SA3400 |
BEST FOR Virtualisation
| NAS | CPU | Cores | Threads | Speed (GHz) | Docker/VM | Score | ECC |
|---|---|---|---|---|---|---|---|
| RS4021xs+ | Intel Xeon D-1541 | 8 | 16 | 2.1 (MAX:2.7) | Docker/VM | 10154 | ECC /16 GB DDR4 ECC UDIMM |
| RS3621xs+ | Intel Xeon D-1541 | 8 | 16 | 2.1 (MAX:2.7) | Docker/VM | 10154 | ECC /8 GB DDR4 ECC UDIMM |
| SA3400 | Intel Xeon D-1541 | 8 | 16 | 2.1 (MAX:2.7) | Docker/VM | 10154 | ECC /16 GB DDR4 ECC RDIMM |
BEST FOR MULTIMEDIA
| NAS | GPU | Base_GHz/Max | Codec | FPS | Transcoding | Plex |
|---|---|---|---|---|---|---|
| RS4021xs+ | / | 0 | 2160p | |||
| RS3621xs+ | / | 0 | 2160p | |||
| SA3400 | / | 0 | 2160p |
BEST FOR FILE STORAGE
| NAS | BAYS | Bandwidth | HDD storage | expansion | Drive mixing | File System |
|---|---|---|---|---|---|---|
| RS4021xs+ | 16 HDD | 24Gbit (6 ports combined) | 352TB | ✓ | EXT4 BTRFS | |
| RS3621xs+ | 12 HDD | 24Gbit (6 ports combined) | 264TB | ✓ | EXT4 BTRFS | |
| SA3400 | 12 HDD | 24Gbit (6 ports combined) | 264TB | ✓ | ✓ | EXT4 BTRFS |
*All NAS support multiple RAID/ volume groups, if you want to mix different size drive on non supported model.
BEST FOR BACKUP
| NAS | Level | HA | AI | Microsoft | encryption | |
|---|---|---|---|---|---|---|
| RS4021xs+ | folder/barebone | ✓ | face+object | ✓ | ✓ | volume/folder |
| RS3621xs+ | folder/barebone | ✓ | face+object | ✓ | ✓ | volume/folder |
| SA3400 | folder | face+object | /folder |
BEST FOR VIDEO EDITING
| NAS | MAX LAN speed | Ports | transcoding | PCIe | NVMe |
|---|---|---|---|---|---|
| RS4021xs+ | 10Gbit | 2x RJ-45 10GbE | 2 x Gen3 x8 | ||
| RS3621xs+ | 10Gbit | 2x RJ-45 10GbE | 2 x Gen3 x8 | ||
| SA3400 | 10Gbit | 2x RJ-45 10GbE | 2 x Gen3 x8 |
BEST FOR SURVEILLANCE (CCTV)
| NAS | HDMI | QVM | transcoding | AI |
|---|---|---|---|---|
| RS4021xs+ | ||||
| RS3621xs+ | ||||
| SA3400 |
BEST FOR SMART HOME/ AI
| NAS | Virtual switch | Docker/VM | HDMI | S/PDIF / AUX |
|---|---|---|---|---|
| RS4021xs+ | Docker/VM | |||
| RS3621xs+ | Docker/VM | |||
| SA3400 | Docker/VM |
LATEST VIDEOS RELATED
AVAILABILITY / RELEASE DATE
| Brand | Model | TW | USA | UK | Released |
| Synology | RS4021xs+ | • | • | • | 2021-01 |
| Synology | RS3621xs+ | • | • | • | 2021-01 |
| Synology | SA3400 | • | • | • | 2020-06 |
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LATEST PRICE LIST
| RS4021xs+ | 5612.33 USD | |
| RS3621xs+ | ||
| SA3400 |
 DEAL WATCH - Is It On Offer Right Now?Synology 12 bay RackStation RS3621xs+ (Diskless) Amazon  USA 395.45 OFF (WAS 5023) [LINK] These Offers are Checked Daily |
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