eRacks Systems Tech Blog
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From 144TB to 2.6PB: The 2026 Storage Market and Why On-Premise NAS Is Back
The data storage market in 2026 is doing something unusual: it’s both growing fast and getting cheaper per terabyte at the same time. Global storage requirements are projected to nearly double by 2029, hitting roughly 20,000 exabytes. The NAS hardware market alone is forecast to grow from $55B today to $173B+ by 2034 – a 15.5% CAGR. And while all that’s happening, 30TB+ enterprise SATA drives have become genuinely mainstream, with retail prices that put petabyte-scale on-premise storage within reach of mid-sized organizations for the first time.
Meanwhile, the cloud-storage decade is hitting a wall. Egress fees on AWS, Azure and GCP have only gone up. Ransomware losses keep climbing. Healthcare, legal, finance, and government buyers are all asking the same question they used to leave for the IT department: where, exactly, is our data? The answer “somewhere in us-east-1” doesn’t satisfy a HIPAA auditor, a SOC 2 attestation, or a court order anymore.
The on-premise comeback is a hardware story
For years, the argument against running storage in your own rack was capex vs opex – “cloud is cheaper because you don’t buy hardware.” That math has flipped for any organization storing more than a few hundred TB. A 36-bay NAS loaded with 24TB drives gives you nearly a petabyte of raw storage for the price of about 8-10 months of equivalent S3 storage at production-tier rates – and the hardware keeps working for 5-7 years after that.
Three things made it flip:
- HDD prices at historic lows. 28TB and 30TB enterprise drives now sell for under $20/TB. A decade ago, that was 2TB-drive territory.
- ZFS and modern Linux file systems matured. ZFS in particular – with built-in checksumming, snapshots, replication, and dedup – has become the default storage layer for serious on-premise deployments. No vendor lock-in, no licensing tax.
- Cloud egress is the new vendor lock. Pulling 100TB out of S3 to migrate workloads costs more than the hardware that would store it locally for 5 years.
The eRacks NAS lineup
Our rackmount NAS line covers everything from a small workgroup file server to true petabyte-scale storage chassis. All ship with real Ubuntu Linux (your choice of file system – ZFS, XFS, or Btrfs), enterprise components (ECC RAM, redundant power supplies, hot-swap bays), and zero proprietary management software. The OS is yours, the data is yours, the hardware is yours.
| Model | Form | Bays | Max Raw | Starting |
|---|---|---|---|---|
| NAS4 | 1U | 4 | 144TB | $1,895 |
| NAS6 | 2U | 6 | 180TB | $2,795 |
| NAS8 | 2U | 8 | 240TB+ | $3,695 |
| NAS12 | 2U | 12 | 360TB | $4,695 |
| NAS16 | 3U | 16+2 | 288TB | $6,595 |
| NAS24 | 4U | 24 | 720TB | $8,995 |
| NAS36 | 4U | 36 | ~1PB | $10,495 |
| NAS50 | 9U | 50 | 1.3PB | $13,595 |
| NAS60 | 4U | 60 | ~2PB | $15,995 |
| NAS72 | 4U | 72 | 1.5PB+ | $19,995 |
| NAS100 | 4U | 102 | 2.6PB | $24,995 |
Starting prices are barebones (chassis, motherboard, PSU); add drives, RAM, OS choice at configuration. Custom builds welcome.
What you actually run on it
Because we don’t ship a proprietary OS, you get to pick the storage stack that matches your workload. Common combinations our customers deploy:
- File systems: ZFS (default for most deployments), XFS, Btrfs
- NAS / file sharing: TrueNAS, OpenMediaVault, Samba, NFS, iSCSI
- Distributed storage: Ceph, BeeGFS, MooseFS, LizardFS – for multi-node clusters and HPC workloads
- Object storage: MinIO (S3-compatible) – increasingly popular as a local target for AI/ML training datasets
- Private cloud: NextCloud, Seafile, OwnCloud, Proxmox VE, CloudStack
- Backup & sync: Bacula, BorgBackup, restic, rsync, Duplicati
Pre-installed and tested before shipping, or shipped bare for you to provision however you like – your call at order time.
Who’s actually buying these in 2026
Six segments dominate our NAS pipeline this year:
- SMBs and mid-market IT trying to escape per-GB cloud bills that have crept past the cost of hardware ownership
- Media and production companies with growing 4K/8K video libraries (one production house can fill a 720TB NAS24 in a year)
- Healthcare and medical practices with HIPAA and patient-data sovereignty requirements that rule out major cloud providers
- Legal firms archiving case files, depositions, and discovery materials that simply cannot leave the building
- AI/ML teams needing local high-speed datasets for training – typically pairing a NAS24 or NAS36 with our AI server line for the GPU compute side
- MSPs and IT consultancies building private cloud infrastructure for clients who want SaaS economics without surrendering data ownership
What we don’t do
We don’t build consumer NAS appliances. There’s no fancy iOS app to manage your photos. We don’t license a proprietary OS or lock you into a vendor ecosystem. If you want a four-bay desktop box with a slick web UI for your home media collection, we’re not your shop – and that’s fine, lots of good vendors serve that market.
What we do build: enterprise rackmount storage on standard Linux, configurable to your exact spec, that you fully own and can replace any component on. The same approach we’ve taken since 1999.
Get the configuration right
Drive count, RAID level, networking (10/25/100GbE), RAM (1GB per TB is the rule of thumb for ZFS), and OS choice all matter. Reply to this post or hit our contact page with rough requirements and we’ll spec it for you – usually same day.
joe April 8th, 2026
Posted In: Backups, Linux, Open Source, Rackmount Servers, servers, Storage
Tags: backup, ceph, Cloud Storage Server, eRacks, eRacks signature service, eRacks/NAS24, eRacks/NAS36, eRacks/NAS50, MooseFS, NAS, NAS24, NAS36, NAS50, NAS72, Privacy, Rackmount, sata
Heads-Up for Half Petabyte Cloud-Ready Storage Servers
eRacks/NAS50 Half Petabytes of Data Storage Server / Cloud Storage
We were extremely excited to announce the forthcoming release of 500 Terabyte (half Petabyte) storage space upgrade on our flagship product eRacks/NAS50 cloud data storage servers last week. The new model, to be released shortly, will incorporate 50 HGST 10 Terabyte HelioSeal™ hard drives. While the new model is not released yet, we are accepting pre-orders from customers. The current capacity, now available, of the eRacks/NAS50 is 400Terabytes in total, with currently-available 8Terabyte drives. The Azure devops security for data protection purposes as that must be a priority.
The new unit is rackmount and holds 50 removable drive bays. The 9U unit is suitable for any cloud storage application as well as NAS/Local LAN, since cloud services are really used now a days, you can learn how connecting to clouds directly can help businesses from this link. eRacks/NAS50™ is also a great solution for media libraries and other applications which require massive amounts of data storage capacity, you just have to make you are also backed up by the best data management services. Visit https://blog.couchbase.com/fuzzy-matching/ and get more information!
Our new servers are truly a remarkable Petascale solution. The HGST 10 Terabyte HelioSeal™ drives that come with eRacks/NAS50 use two technologies that greatly add to the value that this server carries with it, including other server services from sites as https://www.servermania.com/kb/articles/what-are-the-requirements-for-ubuntu-server/ for ubuntu projects.
The first is referred to as the HelioSeal™ technology. The HGST hard drives using this technology replace the air inside of the drive with helium. This would make the drive much lighter as well as allowing the disks to be much thinner. Due to the helium inside, the thinness of disks will not cause any disruptive turbulence effects. This will allow us to have more disks inside each drive which in turn means more data space. Additionally, helium drives have much lower power consumption, as much as 27%, making our NAS50 models truly a green product.
The new drives in the eRacks/NAS50 servers also make use of a technology called SMR. That is short for Shingled Magnetic Recording. This technology by itself adds another 25 to 100 percent storage capacity to HGST hard drives.
We are proud of our new eRacks/NAS50 and are ready to take pre-orders. We are prepared to customize the unit per your instructions with all Open-Source software necessary so your order will reach you completely pre-installed.
Please contact us for pre-orders or any questions you may have.
eRacks Open Source Systems
Phone: (714) 758-5423
Fax: (631) 392-9842
http://www.eRacks.com
eMail: info@eracks.com
Ron September 12th, 2015
Posted In: NAS50, New products, News, Open Source, servers, Upgrades
Tags: 500TB-class, 8TB, Archive Drives, Cloud Computing, Cloud Storage Server, HDD, HelioSeal. HGST, Hybrid Cloud, Internet, linux, NAS50, Open Source, Private Cloud, Rackmount, seagate, SMR, Storage Server