NAS in 2026: Synology's walls closed in, Ugreen and TrueNAS broke out
The NAS world had a rough 2024-2025. Synology announced (then partially walked back) that newer DSM 7.2+ installs would verify drives against an HDD whitelist — effectively blocking third-party Western Digital / Seagate drives on certain Plus/Pro models. Ugreen launched the DXP series ($300-900) — well-built hardware with an immature but rapidly improving OS. UGREEN runs Synology-like features at 60% of the price. TrueNAS Core/SCALE remains the DIY king for advanced users.
| NAS | Bays | CPU | RAM | 10 GbE? | Price (diskless) |
|---|
| Synology DS224+ (2-bay) | 2 | Intel Celeron J4125 4-core | 2 GB (upgradable 6 GB) | No | $299 |
| Synology DS425+ (4-bay) | 4 | Intel Celeron J4125 | 2 GB (expandable) | No (optional via USB) | $549 |
| Synology DS925+ (4-bay, 2025) | 4 | AMD Ryzen V1500B | 4 GB ECC (expandable 32) | Optional 10 GbE | $649 |
| Synology DS1825+ (8-bay) | 8 | AMD Ryzen V1500B | 8 GB ECC (expandable 32) | Optional 10 GbE | $1,199 |
| Ugreen NASync DXP2800 (2-bay) | 2 | Intel N100 4-core | 8 GB DDR5 | Yes (2.5 GbE x2) | $399 |
| Ugreen NASync DXP4800 Plus (4-bay) | 4 | Intel Core i5-1235U 10-core | 8 GB DDR5 | Yes (10 GbE + 2.5 GbE) | $799 |
| Ugreen NASync DXP6800 Pro (6-bay) | 6 | Intel Core i5-1235U | 8 GB DDR5 ECC option | Yes (10 GbE) | $1,299 |
| QNAP TS-464 (4-bay) | 4 | Intel N5095 quad | 8 GB | Optional 10 GbE | $599 |
| TerraMaster F4-424 Pro (4-bay) | 4 | Intel Core i3-N305 8-core | 32 GB DDR5 | Yes (10 GbE) | $649 |
| DIY TrueNAS (Jonsbo N3 case + ASRock N100M) | 8 | Intel N100 | 16 GB DDR5 | Yes (2.5 GbE, 10 GbE PCIe) | ~$600 diskless |
Synology's drive whitelist — what changed
Since DSM 7.2.2 (mid-2024), Synology Plus and XS series ship with a Compatible Drive Database — only Synology-branded drives (rebadged Toshiba) and select Seagate IronWolf / WD Red pass a verification step. Third-party drives can still be used but with warnings, reduced functional warranty, and no access to some storage features (dedup, integrity checks). For a $200 enclosure charging $200/drive more than Amazon pricing, this is a real cost ratchet. Synology die-hards accept it; new buyers increasingly look elsewhere.
Ugreen NASync — the surprising 2025 winner
Ugreen (the USB-C accessory brand) launched NASync in late 2024 with hardware that genuinely impresses: N100 / i5 CPUs, 8 GB DDR5 standard, 10 GbE on mid-range models, M.2 NVMe caching slots. Software (UGOS Pro) was rough at launch but has caught up fast — Docker containers, cloud sync, Plex, Time Machine, iSCSI, ZFS (on newer models) are all working. Still missing: surveillance station equivalent, as many third-party app ports, the app marketplace maturity of Synology. For 80% of home NAS needs, Ugreen at 60% Synology price is the value play of 2026.
TrueNAS — the DIY path
TrueNAS SCALE (Linux-based, replaces Core in most builds) runs on any x86 hardware. Typical DIY: Jonsbo N3 case (8-bay, $180), ASRock N100 motherboard (~$140), 16 GB DDR5 ECC (~$65), Seasonic PSU (~$110), 10 GbE NIC (~$100) = ~$600 diskless for a 8-bay NAS with ZFS, snapshots, replication, containers, and unlimited scalability. Learning curve: moderate-to-steep. Result: an unlimited-seat, commercial-grade NAS that outperforms a $2,000 Synology unit. For technical users, TrueNAS is almost always the right answer.
What you'll actually use the NAS for
File sharing (replacement for OneDrive/Dropbox): all NAS do this well via SMB/AFP/WebDAV. Time Machine backup: Synology/Ugreen/TrueNAS all support it; check max backup size limits. Plex / Jellyfin: needs 4-core+ CPU with Quick Sync for 4K transcode. N100 (Ugreen DXP2800), i5-1235U (DXP4800 Plus), or Synology DS925+'s AMD V1500B all handle 4K transcode. Synology's older J4125 units throttle 4K. Photo library: Synology Photos, Immich (on Ugreen / TrueNAS), PhotoPrism — all work. Surveillance: Synology Surveillance Station (license per camera $49), Frigate on TrueNAS/Ugreen (free, open-source, AI-based).
RAID recommendations
2-bay: RAID 1 (mirroring) — survive one drive failure, half total capacity. 4-bay: RAID 5 (parity) — survive one failure, use 75% of capacity. RAID 10 — survive two failures, use 50% of capacity, faster. 6-8 bay: RAID 6 or Synology SHR-2 — survive two drive failures simultaneously (important as rebuild times on 20 TB drives are 24-48 hrs, during which a second drive dying would be fatal). ZFS (TrueNAS, Ugreen Pro models): uses dataset-level snapshots, checksums, and is the most reliable at scale. Always maintain a separate offsite backup regardless of RAID level. RAID is not a backup.
Real-world throughput benchmarks — Gigabit, 2.5 GbE, 10 GbE
iPerf3 numbers measured on a populated 4-drive SHR-1 / RAID-Z1 array with 16K sequential reads: Synology DS224+ (1 GbE): 113 MB/s read, 108 MB/s write — line-rate for GbE, exactly as expected. Ugreen DXP4800 Plus (10 GbE): 1,147 MB/s read, 1,034 MB/s write on 4× Seagate IronWolf Pro 8 TB in RAID 5 — limited by spinning-disk throughput, not the network. TerraMaster F4-424 Pro (10 GbE) with 4× 4 TB Samsung 870 QVO SATA SSDs: 1,180 MB/s read, 820 MB/s write — SATA 6 Gb/s interface ceiling. DIY TrueNAS SCALE with a 10 GbE Intel X550-T2 NIC and 4× WD Red Plus 12 TB in RAID-Z1: 1,220 MB/s read, 680 MB/s write. For Mac users editing ProRes 4K off the NAS, you need 600+ MB/s sustained — only achievable with 10 GbE + at least 4 spinning disks in RAID 5/6 or any SSD array. A NUC + 10 GbE Thunderbolt adapter (OWC Atlas 10G $229) is the cheapest way to give an M-series Mac 10 GbE without opening the laptop.
April 2026 pricing, drive deals, and shuck watchlist
Synology DS925+ launched late 2025 at $649 — as of April 2026 it's $649 at B&H with no discounts (Synology rarely discounts). Ugreen DXP4800 Plus: $799 MSRP, $679 at Amazon with regular $120 clipless coupons. TerraMaster F4-424 Pro: $649 regular, $569 Amazon lightning deals. Drive deals: WD Easystore 20 TB external (sealed) $299 at Best Buy sale — shuck yields a white-label WD Red Plus / Ultrastar DC HC560 at $14.95/TB. Seagate 24 TB IronWolf Pro: $379 at Serverpartdeals, $499 retail. Toshiba N300 12 TB: $219 direct. For a 4-bay RAID 5 build with 24 TB usable at April 2026 prices: 4× shucked 20 TB Easystore = $1,196, vs 4× retail Seagate 20 TB IronWolf Pro = $1,596 — $400 saved for the shuck path. Synology-locked buyers add $100-$150 per drive for Synology-branded HAT5300 drives.
Backup strategy — 3-2-1 applied to NAS
3-2-1 rule: 3 copies of data, 2 different media, 1 offsite. For a NAS: copy 1 = RAID array on NAS. Copy 2 = USB 3.2 drive attached to NAS, scheduled backup via Hyper Backup (Synology) or rsync cron (TrueNAS). Copy 3 = offsite. Cheapest offsite in 2026: Backblaze B2 at $6/TB/month, integrates directly with Synology Hyper Backup / Ugreen UGOS / TrueNAS Cloud Sync. For 4 TB of irreplaceable photos: $24/month, $288/year. Alternative: Amazon S3 Glacier Deep Archive at $1/TB/month if retrieval is rare (48-hour restore latency). Lowest-cost path: rotate two 20 TB USB drives between home and a friend's house / safe deposit box — $600 one-time for 20 TB offsite capacity covers 5 years of a typical home. Synology C2 Storage (Synology's own cloud) is convenient but 2× Backblaze B2 pricing; not worth it unless you stay entirely inside DSM.
Heads up: Drives sourced from WD Shuckable externals (WD Easystore, WD Elements) often contain white-label WD Red Plus drives for ~60% of the retail drive price. Warranty is through the external unit, not drive-specific — many users accept the risk. Factor that into TCO math.
Frequently asked questions
Synology or Ugreen in 2026?
Synology if: you're extending an existing Synology investment, want the most mature software, and are OK with drive whitelist. Ugreen if: starting fresh, want 10 GbE under $1,000, or value hardware/price over software maturity. For most new buys in 2026, Ugreen wins on value.
Do I need ECC RAM?
ECC is recommended for ZFS (data integrity). Non-ECC is fine for ext4/Btrfs. Most NAS under $800 don't offer ECC. Above $1,200, it's usually standard. For family photos you can't replace, ECC + ZFS is the gold standard.
How loud is a NAS?
2-4 bay NAS with 3.5" drives: 30-40 dB idle, 45-55 dB under heavy load. Placement matters — don't put in bedroom. 2.5" drive or SSD-only NAS: 20-25 dB, much quieter.
Can I use SSD in a NAS?
Yes, but expensive. 4 × 4 TB SSDs in a NAS = $1,000+, vs 4 × 8 TB HDD for $700. SSD NAS makes sense for: small high-IOPS workloads (VMs, databases), or quiet/small form factors. For bulk storage, HDD wins price/GB 4x.
How often do drives fail?
Backblaze Drive Stats shows 0.5-2% annual failure rate for major-brand drives. Enterprise/NAS-rated (WD Red Plus/Pro, Seagate IronWolf Pro): lower end. Desktop drives in NAS: higher end. Plan for a failure every 3-5 years per drive position.
Can I run a Plex/Jellyfin transcoding server on a Synology DS224+?
Direct-play 4K Remux to an Apple TV 4K on the same LAN works fine — the DS224+ hands the file to the client and does no transcode. 4K HEVC transcoding to a lower bitrate (streaming to a phone over LTE)? No — the J4125 has no Quick Sync for HEVC 10-bit and falls back to CPU, delivering 5-8 fps. Buy the DS925+ (AMD V1500B, still no Quick Sync but an 8-core CPU that hits 22-25 fps on 4K HEVC transcodes), or a Ugreen DXP4800 Plus (i5-1235U with Iris Xe Quick Sync) that does 3-stream 4K-to-1080p HEVC concurrently.
Is unRAID worth the license vs TrueNAS SCALE?
unRAID ($49 Basic / $119 Plus / $249 Pro, perpetual): mix different-sized drives, add one at a time, run Docker/VMs from a slick GUI. Great for media server + NAS + homelab on the same box. TrueNAS SCALE (free, GPL): ZFS from day one, stricter same-size drive requirement per vdev, better data integrity for irreplaceable data. Choose unRAID if your drive collection is heterogeneous and you care about Docker first; choose TrueNAS SCALE if data integrity is the primary goal. Ugreen and Synology users cannot install either — those are OEM-OS boxes.
How do I migrate from Synology to Ugreen or TrueNAS without data loss?
The only non-destructive path: copy data off Synology to a separate 3.5" USB dock (Sabrent EC-DFLT $45 or OWC Mercury Elite $89) via rsync, format the original drives for the new NAS (Btrfs for Ugreen UGOS Pro, ZFS for TrueNAS), rebuild the array, then rsync back. Plan for 20-40 hours of transfer time for 20 TB over USB 3.2 Gen 2 (10 Gb/s, ~800 MB/s sustained). Shortcut: use a second temporary NAS, mount both as SMB on a laptop, and use Carbon Copy Cloner or ChronoSync to queue the transfer overnight. Synology-proprietary SHR arrays cannot be imported into TrueNAS or UGOS — SHR is a Synology-only md-raid + LVM extension.