Synology SA6400 Alternatives 2026 - Top Competitors Ranked

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Synology SA6400

The Synology SA6400 is a high-performance Network Attached Storage (NAS) device featuring six drive bays supporting up to 12TB of storage and designed for hot-swap drive replacement, ideal for demanding backup and archiving applications.

8.4 Great

apps Top Synology SA6400 Alternatives

The top alternative to Synology SA6400 in 2026 is ASUSTOR Flashstor 12 Pro FS6712X with a score of 8.7/10, followed by Synology HD6500 (8.6) and ASUSTOR Lockerstor 6 Gen2 AS6706T (8.6).

ASUSTOR Flashstor 12 Pro FS6712X

The ASUSTOR Flashstor 12 Pro FS6712X is a 12-bay JBOD storage system utilizing NVMe SSDs for high performance and data t...

Twelve Bay Ten Gigabit All Flash Nas Hot Swap NVME

8.7 Great

Synology HD6500

The Synology HD6500 is a high-capacity Network Attached Storage (NAS) device featuring dual Intel Xeon processors and su...

Rackmount Hot Swap Drives Enterprise Storage Sixty Bay

8.6 Great

ASUSTOR Lockerstor 6 Gen2 AS6706T

The ASUSTOR LockerStor 6 Gen2 AS6706T is a six-bay Network Attached Storage (NAS) device featuring hot-swap drive bays a...

Nas Sata Hot Swap Drives Six Bay

8.6 Great

QNAP TS-464U

The QNAP TS-464U is a 4-bay Network Attached Storage (NAS) device featuring Intel Celeron processors and supports hot-sw...

Four Bay Sata Rackmount Nas Hot Swap Drives

8.5 Great

QNAP TS-464eU

The QNAP TS-464eU is a 4-bay Network Attached Storage (NAS) device featuring Intel Pentium Gold G640 processor, supporti...

Four Bay Sata Rackmount Nas Hot Swap Drives

8.4 Great

QNAP TS-h1277AXU-RP

The QNAP TS-h1277AXU-RP is a 16-bay Network Attached Storage (NAS) device featuring dual Intel Celeron processors, 1TB M...

Rackmount Nas Hot Swap Drives Qnap Ts Redundant Power

8.4 Great

QNAP TS-855X

The QNAP TS-855X is a 12-bay Network Attached Storage (NAS) device featuring Intel® Xeon® E-2307 processors and supports...

Nas Eight Bay Hot Swap Drives Qnap Ts

8.3 Great

QNAP TS-464U-RP

The QNAP TS-464U-RP is a 4-bay Network Attached Storage (NAS) device featuring Quad-Core Celeron processors and supports...

Four Bay Rackmount Nas Hot Swap Drives Qnap Ts

8.2 Great

Synology DiskStation DS1525+

The Synology DiskStation DS1525+ is a 5-bay Network Attached Storage (NAS) device featuring Intel Xeon processors and su...

Nas Five Bay Sata Hot Swap Drives

8.2 Great

Synology DiskStation DS225+

The Synology DiskStation DS225+ is a 2-bay Network Attached Storage (NAS) device featuring JBOD support, hot-swap drive...

Nas Two Bay Sata Hot Swap Drives

8.2 Great

ICY DOCK ToughArmor MB994SP-4SB-1

The ICY Dock ToughArmor MB994SP-4SB-1 is a rugged, hot-swappable server enclosure designed for industrial and outdoor de...

Four Bay Sata Icy Dock Hot Swap Drives

8.2 Great

Synology DiskStation DS925+

The Synology DiskStation DS925+ is a 2-bay Network Attached Storage (NAS) device featuring Intel Celeron processors and...

Nas Four Bay Sata Hot Swap Drives

8.1 Great

Synology FlashStation FS3410

The Synology FlashStation FS3410 is a high-performance JBOD enclosure supporting up to 16 SATA drives and featuring hot-...

Rackmount Hot Swap Drives All Flash Array Twenty Four Bay

8.1 Great

ICY DOCK ToughArmor MB998SP-B

The ICY DOCK ToughArmor MB998SP-B is a rugged, hot-swappable PCIe expansion chassis designed for industrial and outdoor...

Eight Bay Sata Icy Dock Hot Swap Drives

8.1 Great

Synology RackStation RS2825RP+

The Synology RackStation RS2825RP+ is a 2RU rackmount server featuring eight Gigabit Ethernet ports, support for up to 1...

Rackmount Nas Hot Swap Drives Redundant Power Sixteen Bay

7.9 Good

QNAP TS-873AeU-RP

The QNAP TS-873AeU-RP is a 8-bay NAS device featuring two Intel Celeron processors, supporting up to 8 x 2.5” SATA III h...

Eight Bay Rackmount Nas Hot Swap Drives Qnap Ts

7.8 Good

Synology DiskStation DS1825+

The Synology DiskStation DS1825+ is a 1U rackmount NAS device featuring eight drive bays supporting up to 24TB of storag...

Nas Eight Bay Sata Hot Swap Drives

7.7 Good

Synology DiskStation DS725+

The Synology DiskStation DS725+ is a 2-bay Network Attached Storage (NAS) device featuring two Intel Celeron processors...

Nas Two Bay Sata Hot Swap Drives

7.6 Good

Synology RackStation RS2423+

The Synology RackStation RS2423+ is a 2RU rackmount NAS server featuring four drive bays supporting up to 16TB of storag...

Sata Rackmount Nas Hot Swap Drives Synology Rackstation

7.4 Good

QNAP TS-832PXU-RP

The QNAP TS-832PXU-RP is a 8-bay Network Attached Storage (NAS) device featuring two 4TB SATA drives and six 2TB SATA dr...

Eight Bay Rackmount Nas Hot Swap Drives Qnap Ts

7.3 Good

summarize Quick Comparison Summary

Alternative	Score	vs Synology SA6400	Action
ASUSTOR Flashstor 12 Pro FS6712X Hot Swappable Twelve Bay Ten Gigabit All Flash Nas	8.7 Great	+0.3	Compare
Synology HD6500 Hot Swappable Rackmount Hot Swap Drives Enterprise Storage	8.6 Great	+0.2	Compare
ASUSTOR Lockerstor 6 Gen2 AS6706T Hot Swappable Nas Sata Hot Swap Drives	8.6 Great	+0.2	Compare
QNAP TS-464U Hot Swappable Four Bay Sata Rackmount Nas	8.5 Great	+0.1	Compare
QNAP TS-464eU Hot Swappable Four Bay Sata Rackmount Nas	8.4 Great	Same	Compare
QNAP TS-h1277AXU-RP Hot Swappable Rackmount Nas Hot Swap Drives Qnap Ts	8.4 Great	Same	Compare
QNAP TS-855X Hot Swappable Nas Eight Bay Hot Swap Drives	8.3 Great	-0.1	Compare
QNAP TS-464U-RP Hot Swappable Four Bay Rackmount Nas Hot Swap Drives	8.2 Great	-0.2	Compare
Synology DiskStation DS1525+ Hot Swappable Nas Five Bay Sata	8.2 Great	-0.2	Compare
Synology DiskStation DS225+ Hot Swappable Nas Two Bay Sata	8.2 Great	-0.2	Compare

See all Hot Swappable ranked by score

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help Frequently Asked Questions

What are the best alternatives to Synology SA6400?

The top alternatives to Synology SA6400 in 2026 include ASUSTOR Flashstor 12 Pro FS6712X, Synology HD6500, ASUSTOR Lockerstor 6 Gen2 AS6706T, QNAP TS-464U, QNAP TS-464eU. Each offers unique features and is objectively scored on Lunoo to help you compare.

How does Synology SA6400 compare to its competitors?

Our AI-powered comparison system analyzes features, pricing, user reviews, and expert opinions to provide objective scores. Synology SA6400 scores 8.4/10. Click any alternative above to see a detailed side-by-side comparison.

Is Synology SA6400 worth it in 2026?

Synology SA6400 scores 8.4/10 on Lunoo, making it a highly-rated option in the Hot Swappable category. However, alternatives like ASUSTOR Flashstor 12 Pro FS6712X may better suit specific needs.

What is the best free alternative to Synology SA6400?

Several alternatives to Synology SA6400 offer free plans or free tiers. Check the alternatives listed above and visit their websites to compare pricing and free options.

Why should I switch from Synology SA6400?

Common reasons users look for Synology SA6400 alternatives include pricing, specific feature gaps, better integration needs, or simply exploring newer options. Our objective scoring helps you compare without bias.

How many alternatives to Synology SA6400 are there?

Lunoo currently lists 20 scored alternatives to Synology SA6400 in the Hot Swappable category, ranked by our AI-powered evaluation system.

Which Synology SA6400 alternative has the highest rating?

ASUSTOR Flashstor 12 Pro FS6712X currently holds the highest rating among Synology SA6400 alternatives with a score of 8.7/10.

Can I use ASUSTOR Flashstor 12 Pro FS6712X instead of Synology SA6400?

ASUSTOR Flashstor 12 Pro FS6712X is one of the top-rated alternatives to Synology SA6400. While they serve similar purposes in the Hot Swappable space, each has distinct strengths. Use our comparison tool above for a detailed side-by-side analysis.

What is the cheapest alternative to Synology SA6400?

Pricing varies among Synology SA6400 alternatives. We recommend checking each alternative's website for current pricing. Many options in the Hot Swappable category offer free tiers or competitive pricing.

How are Synology SA6400 alternatives ranked on Lunoo?

Lunoo uses an AI-powered scoring system that analyzes category fit, feature coverage, pricing signals, public reception, recency, and value to provide 0 to 10 scores. Rankings are updated continuously.

Synology SA6400 vs ASUSTOR Flashstor 12 Pro FS6712X: which is better?

Synology SA6400 scores 8.4/10 while ASUSTOR Flashstor 12 Pro FS6712X scores 8.7/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

Synology SA6400 vs Synology HD6500: which is better?

Synology SA6400 scores 8.4/10 while Synology HD6500 scores 8.6/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

Synology SA6400 vs ASUSTOR Lockerstor 6 Gen2 AS6706T: which is better?

Synology SA6400 scores 8.4/10 while ASUSTOR Lockerstor 6 Gen2 AS6706T scores 8.6/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

swap_horiz Synology SA6400 Alternatives

Synology SA6400

apps Top Synology SA6400 Alternatives

ASUSTOR Flashstor 12 Pro FS6712X

Synology HD6500

ASUSTOR Lockerstor 6 Gen2 AS6706T

QNAP TS-464U

QNAP TS-464eU

QNAP TS-h1277AXU-RP

QNAP TS-855X

QNAP TS-464U-RP

Synology DiskStation DS1525+

Synology DiskStation DS225+

ICY DOCK ToughArmor MB994SP-4SB-1

Synology DiskStation DS925+

Synology FlashStation FS3410

ICY DOCK ToughArmor MB998SP-B

Synology RackStation RS2825RP+

QNAP TS-873AeU-RP

Synology DiskStation DS1825+

Synology DiskStation DS725+

Synology RackStation RS2423+

QNAP TS-832PXU-RP

summarize Quick Comparison Summary

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