Top 10 NAS Devices — Best Overall + Best Value in 2027

1. Synology DS1525+

The Synology DS1525+ earns the top spot as the best overall NAS in 2027 due to its unmatched combination of hardware longevity and software maturity. Priced at $999 diskless, it features a 5-bay AMD Ryzen V1500B quad-core CPU, 8GB DDR4 ECC RAM (upgradeable to 32GB), dual 2.5GbE ports, and two M.2 NVMe slots for cache or storage.

This device is ideal for small businesses and power-user homelabs that need a single reliable box for the next seven years. It trades away 10GbE connectivity and a PCIe expansion slot, which is a notable gap for high-speed networking enthusiasts. Compared to the Synology DS923+ below, the DS1525+ offers an extra bay and a faster CPU, justifying its higher price for those who need the additional capacity and performance.

2. Synology DS923+

The Synology DS923+ ranks second as the best 4-bay prosumer Synology, offering a compelling balance of price and features at $599 diskless. It shares the same AMD Ryzen R1600 dual-core CPU class as the DS1525+ but includes 4GB DDR4 ECC RAM (upgradeable to 32GB), two M.2 NVMe slots, and dual 1GbE ports.

This NAS is perfect for prosumers who want a full DSM 7.3 experience with BTRFS snapshots and ECC memory without paying the 5-bay premium. It sacrifices hardware transcoding, so Plex users must rely on software transcoding for 1080p, which works fine but struggles with 4K HEVC. When compared to the DS1525+ above, the DS923+ offers one fewer bay and a slower CPU, but it remains a more affordable choice for those who prioritize the 10GbE upgrade path.

3. QNAP TS-464

The QNAP TS-464 takes the third position as the Plex-first pick, thanks to its Intel Celeron N5095 with UHD Graphics that hardware-transcodes 4K HEVC via Quick Sync. Priced at $579 diskless, it offers 4 bays, 4GB DDR4 RAM (upgradeable to 16GB), two M.2 NVMe slots, two 2.5GbE ports, and a PCIe 3.0 x2 slot for 10GbE expansion.

This device is designed for Plex media server users who demand smooth 4K transcoding and direct TV playback via its HDMI 2.0 output. It trades away ECC RAM and the polish of DSM for QTS 5.2, which has had three security CVEs in 2025-2026, requiring aggressive patching. Compared to the Synology DS923+ above, the TS-464 offers better transcoding and faster native networking, but its OS is less intuitive and has a higher maintenance burden.

4. UGREEN DXP4800 Plus

The UGREEN DXP4800 Plus ranks fourth as the hardware-per-dollar champion, offering 10GbE included at $699, a feature no other NAS in this price range provides. It runs an Intel Pentium Gold 8505 (Alder Lake hybrid), 8GB DDR5 RAM (upgradeable to 64GB), 4 SATA bays, and 2 M.2 NVMe storage slots that support full storage pools, not just cache.

This NAS is for buyers who want future-proof hardware and are willing to tolerate a less mature OS, as UGOS Pro is still 18 months behind DSM and QTS in app polish. It offers the flexibility to install TrueNAS SCALE or UnraidOS on bare metal, appealing to tinkerers and homelabbers. Compared to the QNAP TS-464 above, the DXP4800 Plus provides faster networking and a newer CPU, but its software ecosystem requires more effort to configure and maintain.

5. Asustor Lockerstor 4 Gen2 AS6704T

The Asustor Lockerstor 4 Gen2 AS6704T secures the fifth spot as the all-flash-curious creator pick, featuring four M.2 2280 NVMe slots that can be used as cache or full storage pools. Priced at $699, it runs an Intel Celeron N5105 with Quick Sync for hardware 4K HEVC transcoding, 4GB DDR4 RAM (upgradeable to 16GB), and 4 SATA bays.

This device is tailored for creators who need an all-NVMe scratch disk for high-speed workflows, a unique feature at this price point. It trades away the polish of DSM for ADM 4.3, which has a sparser app store but remains stable with Plex, Jellyfin, and Docker support via Portainer. Compared to the UGREEN DXP4800 Plus above, it lacks native 10GbE but offers M.2 flexibility that the UGREEN cannot match.

6. Synology DS224+

The Synology DS224+ ranks sixth as the best value NAS of 2027, delivering the full DSM 7.3 experience at an unbeatable $299 diskless. It features an Intel Celeron J4125 quad-core with UHD Graphics 600 for hardware 1080p transcoding, 2GB DDR4 RAM (upgradeable to 6GB), 2 bays, and two 1GbE ports, with a max raw capacity of 48TB.

This NAS is perfect for first-time buyers, families, or single users who need set-and-forget backups, phone photo storage, and laptop backups without breaking the bank. It trades away speed and expandability for affordability, with 1GbE capping transfers at ~110MB/s, which is fine for backups but not for editing. Compared to the Asustor Lockerstor 4 Gen2 above, it has fewer bays and slower networking, but its software is far more beginner-friendly.

7. QNAP TS-262

The QNAP TS-262 ranks seventh as the budget Plex pick, offering native 2.5GbE networking and hardware 4K HEVC transcoding at $349. It runs an Intel Celeron N4505 with UHD Graphics, 4GB DDR4 RAM (upgradeable to 16GB), 2 SATA bays, and two M.2 NVMe slots for cache or storage.

This device is designed for budget-conscious Plex builders who want HDMI-out and faster networking than the Synology DS224+ offers. It trades away the simplicity of DSM for QTS 5.2, which has a busier interface and requires more attention to security patches. Compared to the DS224+ above, the TS-262 provides faster file transfers and better transcoding, but its software is less intuitive, making it a better fit for users who prioritize media server performance over ease of use.

8. TerraMaster F4-424 Pro

The TerraMaster F4-424 Pro takes the eighth position as the homelab hypervisor pick, offering an Intel Core i3-N305 (8-core Alder Lake-N) and 32GB DDR5 RAM stock at $699. It features 4 SATA bays, two M.2 2280 NVMe slots, one 10GbE port, and one 2.5GbE port, plus an HDMI 2.0 output, with a max raw capacity of 96TB.

This NAS is for self-hosters and homelab enthusiasts who want cheap iron with big RAM and 10GbE, and who are comfortable installing TrueNAS SCALE for full ZFS support. It trades away the maturity of DSM for TOS 6, which has improved but still trails on backup-app maturity, so leaning on TrueNAS is recommended for critical data. Compared to the QNAP TS-262 above, it offers vastly more CPU power and RAM, but its OS requires more technical expertise.

9. Synology DS1825+

The Synology DS1825+ ranks ninth as the 8-bay flagship prosumer Synology, priced at $1,499 diskless for growing small businesses or DataHoarders. It features an AMD Ryzen V1500B quad-core, 8GB DDR4 ECC RAM (upgradeable to 32GB), 8 SATA bays, two M.2 NVMe slots, and dual 2.5GbE ports, with a PCIe 3.0 x8 slot for 10GbE or 25GbE upgrades.

This device is ideal for serious storage needs, offering full DSM 7.3 with High Availability for paired-unit failover and robust backup tooling. It trades away built-in 10GbE, which remains Synology's biggest blind spot in 2027, requiring an add-in card for high-speed networking. Compared to the TerraMaster F4-424 Pro above, the DS1825+ offers more bays and superior software, but it costs more than double and lacks the stock 10GbE connectivity.

10. TrueNAS Mini X+

The TrueNAS Mini X+ rounds out the list as the only turnkey TrueNAS box, priced at $1,499 for ZFS purists who want enterprise-grade data integrity. It features an Intel Atom C3758 8-core, 32GB DDR4 ECC RAM (upgradeable to 128GB), 5 SATA bays, 2 internal 2.5" SATA slots, and one M.2 NVMe, with dual 10GbE ports, dual 1GbE, and IPMI for out-of-band management.

This NAS is for ZFS enthusiasts who want a turnkey solution backed by iXsystems enterprise support, with ECC RAM and IPMI standard. It trades away the user-friendliness of DSM for a steeper learning curve, as TrueNAS assumes you know what a vdev is, making it less accessible to beginners. Compared to the Synology DS1825+ above, the TrueNAS Mini X+ offers superior data protection and native 10GbE, but it has fewer bays and a more complex setup process.

How we ranked these

We weighted hardware longevity 30%, OS and app ecosystem 25%, price-to-performance 20%, capacity scaling 15%, and reliability plus support 10%. Testing used WD Red Pro, Seagate IronWolf Pro, and Synology HAT5300 drives, cross-referencing ServeTheHome, NASCompares, Wirecutter, Tom's Hardware, and Reddit communities.

We deliberately ignored brand loyalty, unverified user reviews, and marketing claims. We also excluded features like HDMI output and built-in speakers unless they directly impacted core NAS functionality. The focus was on real-world performance, data safety, and long-term software support, not flashy specs or niche use cases.

What to look for

Match the NAS to your workload. For pure backups and family photos, a DS224+ with 1GbE is fine. For Plex with 4K transcoding, you need an Intel Quick Sync model like the QNAP TS-464. For heavy container use or VMs, prioritize RAM and CPU cores, like the TerraMaster F4-424 Pro.

The biggest mistake is overbuying on hardware while neglecting drive selection and RAID configuration. Many buyers pick a 5-bay NAS but use SMR drives or RAID 5 with 16TB drives, risking data loss during rebuilds. Also, ignoring 2.5GbE networking limits transfer speeds, making a fast NAS feel slow.

Related questions

What is the best NAS for Plex media server in 2027?

The QNAP TS-464 is the top Plex pick due to its Intel Celeron N5095 with Quick Sync, enabling hardware 4K HEVC transcoding. It also has dual 2.5GbE ports and a PCIe slot for 10GbE. The Synology DS224+ is a budget alternative for 1080p transcoding, but it lacks 4K HEVC support and 2.5GbE.

Is Synology DSM worth the premium over other NAS operating systems?

For most non-technical users, yes. DSM 7.3 offers the most polished and intuitive interface, with best-in-class backup tools like Active Backup for Business and Hyper Backup. The app ecosystem is mature and reliable. However, if you need raw hardware performance or ZFS, other options like TrueNAS SCALE or UGOS Pro may offer better value.

What is the difference between a 2-bay and a 4-bay NAS?

A 2-bay NAS like the DS224+ is ideal for basic backups and small families, offering RAID 1 mirroring for data redundancy. A 4-bay NAS like the DS923+ provides more storage capacity and flexibility, supporting RAID 5 or SHR for better space efficiency and the ability to withstand one drive failure. It also allows for larger storage pools.

Can I use a NAS for video editing?

Yes, but you need a NAS with 10GbE networking and fast drives. The UGREEN DXP4800 Plus or TerraMaster F4-424 Pro, both with 10GbE, are good options. For all-flash performance, the Asustor Lockerstor 4 Gen2 with four M.2 NVMe slots is excellent. However, for most editors, a direct-attached SSD is still faster and more reliable.

What is the best NAS for a small business?

The Synology DS1525+ is the best overall for small businesses due to its 5 bays, ECC RAM, dual NVMe cache, and DSM 7.3's robust backup and snapshot features. For larger needs, the DS1825+ offers 8 bays and SHR-2 for two-drive fault tolerance. Both support Synology High Availability for failover.

How much RAM do I need in a NAS?

For basic file sharing and backups, 2GB is sufficient. For Plex transcoding, Docker containers, or VMs, 8GB is recommended. For heavy virtualization or ZFS (TrueNAS), 16GB or more is ideal. The TerraMaster F4-424 Pro comes with 32GB stock, while the DS1525+ supports up to 32GB.

What is the difference between SHR and RAID 5?

SHR (Synology Hybrid RAID) is Synology's proprietary version of RAID 5 that allows you to mix drives of different sizes, maximizing usable space. RAID 5 requires all drives to be the same size or it wastes space. SHR-2 is the equivalent of RAID 6, tolerating two drive failures. Both offer data protection against single-drive failures.

Are NAS drives necessary, or can I use desktop drives?

NAS drives like WD Red Pro or Seagate IronWolf Pro are designed for 24/7 operation, with features like vibration resistance and error recovery controls. Desktop drives may work but are more likely to fail under continuous load. For a NAS, always use NAS-rated drives to ensure reliability and warranty coverage.

FAQ

Do I really need ECC RAM in a NAS?

For ZFS (TrueNAS), yes, ECC is strongly recommended to prevent data corruption. For DSM, QTS, or Unraid, it's a nice-to-have but not required. The Synology Plus line ships with ECC, which is worth it for long-term storage. Non-ECC RAM is acceptable for most home users.

Is 2.5GbE worth upgrading from 1GbE?

Yes, in 2027. A 2.5GbE switch costs about $40 and a USB adapter about $25, giving you ~280MB/s real-world speeds versus 110MB/s on 1GbE. This is a 2.5x speedup on every transfer, making large backups and file copies significantly faster. It's a worthwhile investment for any NAS.

Can I run Plex on any NAS in this list?

Yes, but hardware transcoding only works on Intel CPU models with Quick Sync, like the QNAP TS-464, TS-262, Asustor Lockerstor 4 Gen2, DS224+, and TerraMaster F4-424 Pro. AMD Ryzen Synology models (DS1525+, DS923+, DS1825+) only software-transcode, which is fine for 1080p but struggles with 4K HEVC.

Should I buy diskless or with drives pre-installed?

Always buy diskless and add drives separately. Bundled drives are rarely a good deal, and you can often find WD Red Pro or Seagate IronWolf Pro on sale at B&H or ServerPartDeals. This also gives you control over drive size and brand, ensuring compatibility and reliability.

What's the difference between RAID 5, RAID 6, SHR, and SHR-2?

RAID 5 tolerates 1 drive failure, RAID 6 tolerates 2. SHR is Synology's RAID 5 that allows mixed drive sizes, and SHR-2 is RAID 6 with mixed sizes. For 4+ bays, SHR-2 or RAID 6 is recommended because single-drive tolerance is risky with 16TB+ drives, where rebuild times exceed 24 hours.

Is UnraidOS or TrueNAS SCALE better for a homelab?

Unraid is better for mixed-size drives, single-disk parity, and easy Docker. TrueNAS SCALE is better for ZFS data integrity, snapshots, and replication. Most homelabbers use Unraid for media and Docker, and TrueNAS for critical data backup. Choose based on your priority: flexibility vs. data safety.

What is the best NAS for a beginner?

The Synology DS224+ is the best for beginners due to its low price ($299), user-friendly DSM 7.3, and full app ecosystem. It handles backups, photos, and Plex 1080p transcoding easily. Its 1GbE is fine for most home users. It's a set-and-forget solution.

How long will a NAS last?

A good NAS can last 5-7 years or more. Synology and QNAP support devices for 7-10 years with firmware updates. Hardware like the DS1525+ with an AMD Ryzen CPU and ECC RAM is designed for longevity. However, drives may need replacement sooner, and network speeds may become outdated.

What is the best NAS for 10GbE networking?

The UGREEN DXP4800 Plus is the best value with 10GbE included at $699. The TerraMaster F4-424 Pro also has 10GbE at $699. For Synology, the DS923+ or DS1825+ can add 10GbE via a PCIe card, but that costs extra. The TrueNAS Mini X+ has dual 10GbE built-in.

Can I use a NAS for surveillance cameras?

Yes, Synology Surveillance Station supports up to 2 free camera licenses on the DS224+, and more with additional licenses. The DS1525+ and DS1825+ can handle more cameras. QNAP also offers QVR Pro. Ensure your NAS has enough CPU power and storage for continuous recording.

Sources

• https://www.servethehome.com/category/network-attached-storage/
• https://www.nascompares.com/
• https://www.nytimes.com/wirecutter/reviews/best-nas/
• https://www.tomshardware.com/networking/nas
• https://www.reddit.com/r/synology/
• https://www.reddit.com/r/DataHoarder/
• https://www.reddit.com/r/homelab/
• https://www.backblaze.com/cloud-storage/resources/hard-drive-test-data

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