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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
UC3400
SA3400D
SA6400
RS3621xs+
SA3400

LATEST PRICE LIST

UC34009178.79 GBP
SA3400D10265.9 GBP
SA64009129.97 GBP9499.99 USD
RS3621xs+4283.33 GBP4430.5 USD
SA340010265.9 GBP

BEST FOR Virtualisation

NAS CPU Cores Threads Speed (GHz) Docker/VM Score ECC
UC3400 Intel Xeon D-1541 8 16 2.1 (MAX:2.7) Docker/VM 10154 ECC /8 GB DDR4 ECC UDIMM (per controller)
SA3400D Intel Xeon D-1541 8 16 2.1 (MAX:2.7) Docker/VM 10154 ECC /8 GB DDR4 ECC UDIMM (per controller)
SA6400 AMD EPYC 7272 12 24 2.9 (MAX:3.2) Docker/VM 26446 ECC /32 GB DDR4 ECC RDIMM
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
UC3400 / 0 2160p
SA3400D / 0 2160p
SA6400 / 0 4320p
RS3621xs+ / 0 2160p
SA3400 / 0 2160p

BEST FOR FILE STORAGE

NAS BAYS Bandwidth HDD storage expansion Drive mixing File System
UC3400 12 HDD 12Gbit (3 ports combined) 264TB EXT4 BTRFS
SA3400D 12 HDD 12Gbit (3 ports combined) 264TB EXT4 BTRFS
SA6400 12 HDD 24Gbit (6 ports combined) 264TB 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 Google Microsoft encryption
UC3400 folder face+object /folder
SA3400D folder face+object /folder
SA6400 folder face+object /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
UC3400 10Gbit 1x RJ45 1 x Gen3 x8 slot (x8 link) (per controller)
SA3400D 10Gbit 1x RJ45 1 x Gen3 x8 slot (x8 link) (per controller)
SA6400 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
UC3400
SA3400D
SA6400
RS3621xs+
SA3400

BEST FOR SMART HOME/ AI

NAS Virtual switch Docker/VM HDMI S/PDIF / AUX
UC3400 Docker/VM
SA3400D Docker/VM
SA6400 Docker/VM
RS3621xs+ Docker/VM
SA3400 Docker/VM

LATEST VIDEOS RELATED


AVAILABILITY / RELEASE DATE

Brand Model TW USA UK Released
Synology UC3400 2023-06
Synology SA3400D 2023-06
Synology SA6400 2022-11
Synology RS3621xs+ 2021-01
Synology SA3400 2020-06

LATEST POSTS RELATED


Best UC3400 price
Best SA3400D price
Synology Unveils the SA3400D and UC3400: A High-Performance NAS with Dual Controllers
Synology SA6400 is a 12-bay 2U rackmount using AMD EPYC 7272
Best SA6400 price
New Synology SA6400 and SA6200 Enterprise Rackstations Revealed
New Synology SA6400 and SA6200 Enterprise Rackstations Revealed
Synology RS3621xs+ NAS Hardware Review
Synology RS3621XS+, RS4021XS+ and RS3621RPxs Specifications Revealed
Synology RS3621xs+, RS362RP1xs and RS4021xs+ NAS Coming Soon


RELATED REVIEWS

SOFTWARE - 9/10
HARDWARE - 9/10
PERFORMANCE - 9/10
PRICE - 7/10
VALUE - 8/10


8.4
PROS
👍🏻8-Core Xeon Processor
👍🏻Two 10GBe Connections as Standard
👍🏻Two PCIe Gen 3 x8 PCIe Equipped
👍🏻4 Slots that Support DDR4 ECC UDIMM Memory
👍🏻Excellent choice of Apps
👍🏻Redundant PSU as Standard
👍🏻Numerous Backup Software Options
👍🏻Huge Virtualization Support
👍🏻Storage Can be Expanded to 36 SATA Drives
👍🏻5yr Warranty
CONS
👎🏻NVMe SSDs Ports not available, unlike desktop alternatives
👎🏻Very Limited Hard Drives Supported (Largely ONLY Synology HAT5300 series)
👎🏻64GB Memory Maximum Seems Low, given other Enterprise Solutions support 128/256GB


LATEST PRICE LIST

UC34009178.79 GBP
SA3400D10265.9 GBP
SA64009129.97 GBP9499.99 USD
RS3621xs+4283.33 GBP4430.5 USD
SA340010265.9 GBP
DEAL WATCH - Is It On Offer Right Now?

Synology - Rack rail kit - for Synology RS820, SA3200, SA3400, RackStation RS122 Amazon UK UK 18.85 OFF (WAS 104) [LINK]
Synology SA3400 - NAS server - 12 bays - rack-mountable - RAID 0, 1, 5, 6, 10, J Amazon UK UK 260 OFF (WAS 5060) [LINK]
Synology UC3400 12-bay 8 Core 8 GB Active-Active IP-SAN Amazon UK UK 5831.27 OFF (WAS 15010) [LINK]
Synology SA6400 Rack Station, 12-Bay, 12-Core, 32GB RAM Amazon UK UK 28.11 OFF (WAS 11205) [LINK]
Synology 12 bay RackStation RS3621xs+ (Diskless) Amazon usa USA 53.67 OFF (WAS 4554) [LINK]
Synology 12-Bay Active-Active Dual Controller SAN UC3400 (Diskless) Amazon usa USA 63.06 OFF (WAS 9259) [LINK]

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