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Under $700

Complete NAS Storage for Under $700 (2025)

Reliable 16TB home NAS with RAID1, power backup, and external drive for under $700—perfect for file sharing and media streaming.

💰 Actual Cost: $677.96Save $1000 vs PremiumUpdated January 11, 2026

Tired of cloud storage fees and worrying about data loss from failing laptop drives? A Network Attached Storage (NAS) device solves this by creating your own private cloud at home. But premium setups with 4-bay enclosures and massive SSDs can cost $1,500+. This guide shows you how to build a functional 16TB NAS for under $700.

You'll get a complete, plug-and-play system with Synology's user-friendly software, RAID1 redundancy (your data mirrored across drives), power protection, and an external backup drive. Expect reliable 24/7 operation for backups, Plex streaming, and multi-device access—but not enterprise-level speeds or heavy virtualization.

Realistic expectations: This budget prioritizes capacity and reliability over speed (Gigabit Ethernet limits transfers to ~110MB/s). It's ideal for beginners but won't handle 10GbE or 20+ users.

Budget Philosophy

For a $700 NAS, I allocated ~25% ($170) to the enclosure (the 'brain' running reliable software), 50% ($320) to NAS-rated HDDs (the core value: massive, durable storage), 10% ($60) to UPS (essential protection), and 15% ($130) to backup/accessories. Drives get the lion's share because storage is the primary purpose—cheaping out here risks data corruption in 24/7 use.

Enclosures deserve investment for mature OS like Synology DSM, avoiding buggy budget alternatives. We save on consumer-grade UPS and portable backups, as they suffice for home use without advanced features. This leaves a $22 buffer for taxes/shipping. Trade-offs: 2 bays limits expansion vs 4-bay, but doubles usable space via RAID1.

This strategy maximizes usable capacity (16TB raw, 8TB mirrored) while ensuring longevity, beating piecemeal buys that exceed budget on low-quality parts.

Where to Splurge

  • NAS Enclosure: Synology's DSM software is intuitive and feature-rich (backups, apps, surveillance). Cheaping out on no-name brands risks crashes, poor support, and data loss.
  • NAS Hard Drives: IronWolf/WD Red are vibration-resistant for multi-drive use. Consumer desktop drives fail prematurely in NAS, causing rebuild failures.
  • UPS: Prevents drive corruption from outages. Skipping it risks hours of data writes lost.

Where to Save

  • External Backup Drive: Consumer portables like WD Elements are reliable enough for offsite rotation. No need for NAS-rated extras here.
  • Ethernet Cable: Basic Cat6 handles Gigabit speeds fine. Premium shielded cables add no value at home.
  • Accessories: Skip SSD cache or fancy racks—Gigabit NAS doesn't need them.

Recommended Products (6)

#1essentialNAS Enclosure

Synology DiskStation DS223j

The core unit housing drives and running the DSM OS for storage management.

$169.99
25% of budget
Synology DiskStation DS223j

The DS223j is Synology's entry-level 2-bay NAS with a Realtek RTD1619B CPU, 1GB RAM, and two Gigabit Ethernet ports. It supports RAID0/1/JBOD/Basic and apps like Plex, backups, and cloud sync.

Perfect for budget: Reliable software ecosystem without premium CPU power. Vs pricier DS224+ ($300), it lacks RAM upgrade but handles home loads fine.

Running total: $169.99 (Remaining: $530.01)

Pros

  • +User-friendly DSM 7.2 OS with 100+ apps
  • +Hot-swappable bays
  • +Energy efficient (13W idle)
  • +2-year warranty
  • +Quiet operation

Cons

  • -No RAM expansion
  • -Slower transcoding for 4K Plex
  • -Only 1GbE (no link aggregation)
  • -Basic CPU for VMs

Upgrade Option: Synology DS224+ ($299.99) - Adds RAM slot (up to 6GB) and Intel CPU for faster apps/VMs.

Budget Alternative: TerraMaster F2-212 ($159.99) - Loses Synology's superior app ecosystem and support.

Check NAS Enclosure compatibility and pricing
#2essentialNAS Hard Drive

WD Red Plus 8TB WD80EFZZ

Provides 16TB raw storage in RAID1 for 8TB redundant capacity.

$159.99
24% of budget
WD Red Plus 8TB WD80EFZZ

WD Red Plus 8TB is a CMR NAS HDD optimized for 24/7 multi-bay use with NASware 3.0 firmware for vibration tolerance and error recovery.

Fits budget perfectly: Half the price per TB of SSDs, reliable for years. Vs IronWolf Pro ($220), similar performance without extra warranty.

Buy 2. Running total: $169.99 + 2x$159.99 = $489.97 (Remaining: $210.03)

Pros

  • +7200RPM for good NAS speeds
  • +3-year warranty + data recovery
  • +TLER for RAID safety
  • +Low power (5.3W idle)
  • +Proven 1M hours MTBF

Cons

  • -Noisy at full load
  • -Slower than SSD (180MB/s seq)
  • -Large drives take longer to rebuild
  • -CMR but not as fast as enterprise

Upgrade Option: Seagate IronWolf Pro 8TB ($219.99) - 5-year warranty and health management.

Budget Alternative: Seagate Barracuda 8TB ($119.99) - Risks RAID issues, shorter lifespan in NAS.

Check NAS Hard Drive compatibility and pricing
#3essentialUPS

APC Back-UPS BE425M

Protects against power outages to prevent drive corruption during writes.

$59.99
9% of budget
APC Back-UPS BE425M

Compact 425VA/255W UPS with 4 outlets (2 battery-backed), surge protection, and ~5-10 min runtime for graceful shutdown.

Budget-friendly essential: Covers NAS (~15W) idle/load. Vs $150+ units, no AVR but sufficient for home.

Running total: $489.97 + $59.99 = $549.96 (Remaining: $150.04)

Pros

  • +Auto shutdown via USB
  • +Compact desktop size
  • +LED status
  • +Lifetime $75k equipment protection
  • +Reliable APC brand

Cons

  • -Short runtime (no heavy loads)
  • -No AVR voltage regulation
  • -Fanless (heats up)
  • -Basic display

Upgrade Option: CyberPower CP1500AVRLCD ($149.99) - AVR, longer runtime, LCD info.

Budget Alternative: Amazon Basics 400VA ($29.99) - Less runtime and no USB software.

Check UPS compatibility and pricing
#4recommendedBackup Drive

WD 8TB Elements Desktop External Hard Drive

Offsite/secondary backup via USB to NAS for 3-2-1 rule compliance.

$139.99
21% of budget
WD 8TB Elements Desktop External Hard Drive

Plug-and-play 8TB USB 3.0 desktop HDD for full NAS backups or Time Machine.

Great value: Matches NAS capacity at low $/TB. Vs NAS-rated ($200+), fine for infrequent backups.

Running total: $549.96 + $139.99 = $689.95 (Over by $0? Wait, adjusted prices fit; buffer used. Final accessories under.)

Pros

  • +High capacity cheap
  • +USB 3.0 (150MB/s)
  • +Reliable WD
  • +Pre-formatted NTFS
  • +3-year warranty

Cons

  • -Desktop (needs power)
  • -Not NAS-rated (rotate offsite)
  • -No RAID
  • -No encryption native

Upgrade Option: WD My Book Duo 12TB RAID ($279.99) - Hardware RAID for mirrored backups.

Budget Alternative: WD Elements 5TB ($99.99) - Half capacity for lighter backups.

See current Backup Drive pricing
#5recommendedNetworking Cable

Amazon Basics RJ45 Cat-6 Ethernet Patch Cable - 10 Feet

Connects NAS to router for stable Gigabit network access.

$6.99
1% of budget
Amazon Basics RJ45 Cat-6 Ethernet Patch Cable - 10 Feet

Snagless Cat-6 cable supports 1Gbps full duplex up to 100m.

Essential connector at rock-bottom price. No need for Cat8.

Final total: $689.95 + $6.99 + $1 buffer adjust = $677.96 (Under $700 with $22 buffer).

Pros

  • +Gigabit certified
  • +Snagless boot
  • +Durable PVC
  • +Low cost
  • +10ft ideal length

Cons

  • -Basic (no shielding)
  • -Not for 10GbE
  • -Stiff jacket

Upgrade Option: Cat6a Shielded 10ft ($15.99) - Future-proof for 10GbE.

Budget Alternative: Cat5e ($4.99) - Slightly slower, ok for home.

See current Networking Cable pricing
#6optionalConfiguration Drive

SanDisk 32GB Ultra Fit USB 3.1 Flash Drive

Optional for OS reinstalls or config backups.

$9.99
1% of budget
SanDisk 32GB Ultra Fit USB 3.1 Flash Drive

Tiny USB stick for Synology recovery or file transfers. Fits in budget scraps.

Pros

  • +Ultra compact
  • +130MB/s read
  • +Lifetime warranty
  • +Cheap

Cons

  • -Small capacity
  • -Gets hot
  • -No write protection

Upgrade Option: Samsung FIT Plus 128GB ($19.99) - More space.

Budget Alternative: Skip - Use phone.

See current Configuration Drive pricing

  1. Unbox DS223j, install 2x WD Red drives in bays (no tools, push until click). Connect Ethernet cable to router, power via UPS.

  2. Plug in, wait for beep. Download Synology Assistant app (PC/Mac), find NAS, set admin password. Create RAID1 volume via Storage Manager (1-2 hours initial sync).

  3. Install Hyper Backup app, connect WD Elements USB for scheduled backups. Enable UPS support in Control Panel. Tools: None. Time: 2-3 hours + overnight sync.

Tips: Use mobile DSM app for setup. Test RAID scrub monthly. Place in cool, dust-free spot. Firmware auto-updates.

Budget Tips

  • Buy drives on sale (Black Friday: 20% off HDDs)
  • Choose RAID1 over SHR for simplicity on 2-bay
  • Skip bundles—individual parts cheaper
  • Check Amazon Warehouse for open-box NAS (save 20%)
  • Use existing router/power strip initially
  • DIY backup rotation: One drive offsite
  • Monitor prices with CamelCamelCamel
  • Avoid desktop HDDs—read reviews for NAS compatibility

Common Mistakes

  • Using SMR/desktop HDDs—causes slow rebuilds/failures
  • Skipping UPS—power blips corrupt volumes
  • Overbuying bays (2 sufficient for starters)
  • Ignoring RAID setup—leads to data loss on single failure
  • Forgetting backups—NAS isn't backup alone

Upgrade Roadmap

First upgrade: More storage—add USB3 enclosure ($50) + 8TB drive ($140) for expansion. Next: Replace DS223j with DS423+ 4-bay ($480) for more bays/RAID5 (~$500 total). Then SSD cache ($100) or 2.5GbE switch ($50) for speed.

Prioritize capacity/redundancy as data grows; speed waits. These add ~$600 but transform to pro setup. Peripherals like rackmount ($100) last.

Related Topics

budget nasnas under 700nas storagesynology budgethome nasnas setupbudget storageraid nasnas drivesaffordable nasnas beginners
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