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header-product NAS Asustor Lockerstor 4RS Rack 1U – Intel Atom C3538, 8GB DDR4, 4 bays, 4×GbE, 250W PSU

NAS Asustor Lockerstor 4RS Rack 1U – Intel Atom C3538, 8GB DDR4, 4 bays, 4×GbE, 250W PSU

Asustor Lockerstor 4RS Rack NAS — Intel C3538, 8GB Photo 1
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Short description

Rack-mount NAS Asustor Lockerstor 4RS with Intel Atom C3538 (4 cores, 2.1 GHz) and 8 GB DDR4 (SO‑DIMM). Supports up to 128 GB RAM, four hot-swap 2.5/3.5" SATA drives (max 72 TB), hardware features include 4×1GbE, link aggregation, iSCSI, BTRFS, RAID, snapshots and ADM OS. Built-in 250 W PSU, active cooling with two fans, multiple USB 3.2 ports and PCIe x8 slot for expansion — designed for SMB storage, backup and virtualization tasks.
Warranty: 3 Years
SKU: 11597915
Manufacturer: asustor
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Product information

Description

The Asustor Lockerstor 4RS is a 1U rack-mounted NAS designed for small and medium businesses. Equipped with an Intel Atom C3538 2.1 GHz processor and 8 GB DDR4 memory, this black rack NAS supports up to four SATA III HDD or SSD drives and provides RAID support, Ethernet LAN connectivity and active cooling in a compact 1U chassis.

Advantages

The Lockerstor 4RS delivers a balance of performance and space efficiency for rack environments, offering RAID support for data protection, iSCSI compatibility for virtualization and backup flexibility including cloud and iSCSI LUN options. Its Intel Atom C3538 CPU and DDR4 memory provide stable multitasking for business applications while the 1U form factor saves rack space.

Suitable for

  • Small and medium business file storage
  • Virtualization and iSCSI targets
  • Centralized backups and cloud backup integration
  • Rack-mounted network storage in server rooms

Key specifications

  • Model: Asustor Lockerstor 4RS (AS6504RS)
  • Form factor: Rack (1U), colour: Black
  • Processor: Intel Atom C3538, 2.1 GHz
  • Memory: 8 GB DDR4 (supports SO-DIMM slots as specified)
  • Drive bays supported: 4 × SATA III (HDD/SSD)
  • RAID support: Yes
  • Network: Ethernet LAN with Jumbo Frames, iSCSI support, Wake-on-LAN ready
  • Cooling: Active
  • Power/backup: backup features include cloud and iSCSI LUN support; power rating listed as 250 W in source
  • Weight: 7.85 kg
  • EAN: 4710474831388

How to use

Install the Lockerstor 4RS into a 1U rack slot, mount compatible 2.5" or 3.5" SATA III HDDs or SSDs into the drive bays, and connect to the network via Ethernet. Configure RAID and storage pools through the Asustor ADM interface, enable iSCSI targets or cloud backup features as required, and adjust network settings such as jumbo frames or Wake-on-LAN in the system settings. Ensure active cooling and rack airflow are adequate for continuous operation.

Usage recommendations

For reliable operation in business environments, use enterprise-grade SATA drives when possible, configure RAID for redundancy, keep firmware and ADM software up to date, and maintain proper rack ventilation to support the active cooling system.

Specifications

Number of storage drives installed:
0
Number of storage drives supported:
4
Storage drives installed:
No
RAID support:
Yes
Installed storage drive type:
No
Supported storage drive types:
HDD & SSD
Ethernet LAN:
Yes
Chassis type:
Rack (1U)
Weight:
7.85 kg
Product colour:
Black
All features

Storage

RAID levels:
1, 5, 6, 10, JBOD
Supported file systems:
BTRFS, FAT32, HFS+, NTFS, exFAT, ext3, ext4
RAID support:
Yes
Number of storage drives supported:
4
Storage drive sizes supported:
2.5, 3.5
Storage drives installed:
No
Maximum supported storage capacity:
72 TB
Number of storage drives installed:
0
Installed storage drive type:
No
Supported storage drive types:
HDD & SSD
Hot-swap drive bays:
Yes
Storage drive capacity:
0 GB
Supported storage drive interfaces:
Serial ATA III
Online RAID migration:
Yes
Bad block scan:
Yes
Total installed storage capacity:
0 TB

Ports & interfaces

Ethernet LAN (RJ-45) ports:
4
PCI Express x8 (Gen 3.x) slots:
1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:
4
USB port:
Yes

Network

Supported network protocols:
CIFS / SMB, SMB 2.0 / 3.0, AFP, NFS, FTP, TFTP, WebDAV, Rsync, SSH, SFTP, iSCSI/IP-SAN, HTTP, HTTPS, Proxy, SNMP, Syslog
Ethernet LAN:
Yes
Wake-on-LAN ready:
Yes
Link aggregation:
Yes
Jumbo frames support:
Yes
Ethernet LAN data rates:
100, 1000, 2500
iSCSI support:
Yes
Load balancing system:
Yes
Dynamic DNS (DDNS):
Yes

Processor

Processor model:
C3538
Processor manufacturer:
Intel
Processor cores:
4
CPU configuration (max):
1
Processor frequency:
2.1 GHz
Conflict-Free processor:
Yes

Memory

Internal memory type:
DDR4
Flash memory:
8000 MB
Memory slots:
4
Memory form factor:
SO-DIMM
Maximum RAM supported:
128 GB
Internal memory:
8 GB

Power

Power consumption (typical): Power consumption in switched-on state expressed in W.
47.7 W
Number of power supply units:
1
Redundant power supply (RPS) support:
Yes
AC input voltage:
100-240
Power supply location:
Built-in
Power supply unit (PSU) capacity:
250 W
Power consumption (HDD standby):
28.4 W

Operational conditions

Operating relative humidity (H-H):
5 - 90
Operating temperature (T-T):
0 - 40

Design

Chassis type:
Rack (1U)
LED indicators:
Y
Product colour:
Black
Number of fans:
2 fan(s)
Cooling type:
Active
Fan diameter:
40 mm

Performance

Type:
NAS
Security algorithms:
256-bit AES, HTTPS, SNMP, SNMPv2, SNMPv3, SSL/TLS, WPA-Enterprise, WPA2-Enterprise
Browser supported:
Firefox, Chrome, Safari, Microsoft Edge
Snapshot:
Yes
Web-based management:
Yes
Access Control List (ACL):
Yes
Multilingual support:
Yes
S.M.A.R.T. support:
Yes
Device class:
Small & Medium Business
Backup function:
Yes
Backup features:
Cloud, iSCSI LUN
Built-in UPnP AV media server:
Yes
System log:
Yes

Weight & dimensions

Weight:
7.85 kg
Height:
44 mm
Width:
439 mm
Depth:
515 mm

Software

Operating system installed:
ADM
Windows operating systems supported:
Y
Linux operating systems supported:
Y
Server operating systems supported:
Windows Server 2003, Windows Server 2008, Windows Server 2012, Windows Server 2016, Windows Server 2019

Other features

Certification:
FCC, CE, VCCI, BSMI, C-TICK, KCC, BIS

Processor special features

Execute Disable Bit:
Yes
Intel VT-x with Extended Page Tables (EPT):
Yes
Embedded options available:
Yes
Intel QuickAssist Technology:
Yes
Intel Virtualization Technology for Directed I/O (VT-d):
Yes
Intel Secure Boot:
Yes
Intel Secure Key Technology version:
1.00
Intel Secure Boot Technology version:
1.00
Intel Virtualization Technology (VT-x):
Yes

Packaging content

Cables included:
AC, LAN (RJ-45)
Power cables quantity:
1

Logistics data

Harmonized System (HS) code:
84714100

Description

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Customer reviews

Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All asustor products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized asustor service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: number of storage drives installed, number of storage drives supported, storage drives installed, raid support, installed storage drive type, supported storage drive types, ethernet lan, chassis type, weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.