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Expand your storage options with the Lockerstor 4 AS6604T 4-Bay NAS Enclosure from ASUSTOR. Designed for home or small-business applications, this 4-bay NAS enclosure sports a 2.0 GHz Intel Celeron J4125 quad-core CPU and 4GB of DDR4 RAM. Memory can be extended up to 8GB, while two M.2 2280 SSD bays allow users to install cache drives. 8GB of eMMC memory is also present for caching data. Supporting RAID 0, 1, 10, 5, 6, Single and JBOD modes, as well as 1 and 5 + Spare modes, this enclosure’s bays accept 2.5 or 3.5″ SATA III SSDs or HDDs. Two 2.5 Gigabit Ethernet ports provide networking connections, while additional accessories can be connected using a USB 3.2 Gen 1 Type-A port on the front panel, or two ports on the rear panel. An HDMI 2.0a port is also present on the rear panel, providing graphic as well as audio output.
The AS6604T can reach sequential read and write speeds of up to 590 and 591 MB/s, respectively, using link aggregation in RAID 5. AES 256-bit encryption helps to prevent unauthorized access to and breaches of sensitive business data, while a Kensington Lock slot allows users to physically secure this NAS enclosure. Operating on 100 to 240 VAC using a 90W external power supply, the Lockerstor 4 AS6604T stays cool, thanks to a built-in 120mm fan. In addition to an AC adapter and power cord, this NAS comes with two RJ45 network cables and screws for securing 2.5 or 3.5″ drives. The ASUSTOR Lockerstor 4 AS6604T runs on the ADM 3.5 operating system and is compatible with Windows XP and Vista, as well as Windows Server 2003, 2008, 2012, and 2016. It is also compatible with host computers running Mac OS X 10.6 and later, as well as machines using UNIX, Linux, and BSD.
| Weight | 9.54 lbs |
|---|---|
| Dimensions | 12.6 × 11.8 × 9.5 in |
| CPU | 2 GHz Intel Celeron J4125 Quad-Core (Maximum Boost: 2.7 GHz) |
| AC Input Power | 100 to 240 VAC, 50 / 60 Hz |
| Max Cameras Supported | 40 |
| Installed Operating System | ADM 3.5 |
| OS Compatibility | Windows XP<br />Windows Vista<br />Windows 7<br />Windows 8<br />Windows 10<br />Windows Server 2003<br />Windows Server 2008<br />Windows Server 2012<br />Windows Server 2016<br />macOS 10.6 or Later<br />Linux<br />UNIX<br />FreeBSD |
| Supported Browsers | Chrome, Edge, Firefox, Internet Explorer, Safari |
| Supported Languages | Danish<br>Dutch<br>English<br>Finnish<br>French<br>German<br>Hungarian<br>Italian<br>Japanese<br>Korean<br>Norwegian<br>Polish<br>Portuguese<br>Russian<br>Simplified Chinese<br>Spanish<br>Swedish<br>Traditional Chinese<br>Turkish |
| Encryption | 256-Bit AES |
| Security Features | Kensington Security Slot |
| Power Source | AC Adapter |
| Max Groups | 512 |
| Power Consumption | 27.6 W (Typical)<br />12.6 W (Idle)<br />0.75 W (Standby) |
| PSU Wattage | 1 x 90 W |
| Operating Temperature | 32 to 104°F / 0 to 40°C |
| Operating Humidity | 5 to 95% |
| Certifications | BIS, BSMI, C-Tick, CCC, CE, FCC, Kcc, VCCI, as per Manufacturer |
| Status Monitoring | LED Indicator |
| Cooling | 1 x 120 mm Fan |
| Max User Accounts | 4096 |
| Max Folders | 512 |
| GPU | Intel UHD Graphics 600 |
| Compatible Drive Interface | SATA III, NVMe |
| Total Installed Memory | 4 GB DDR4 |
| User-Replaceable Memory | 1 x 4 GB |
| Total Memory Slots | 2 x SO-DIMM |
| Maximum Memory Capacity | 8 GB |
| Flash Memory | 8 GB eMMC |
| Number of Bays | 4 x 2.5"/3.5"<br />2 x M.2 (2280) |
| Connections | 3 x USB Type-A (USB 3.1 / USB 3.2 Gen 1 (5 Gb/s))<br />2 x RJ45 (2.5GbE)<br />1 x HDMI Type-A (HDMI 2.0) |
| Media Card Slots | None |
| Max Concurrent Connections | 512 |
| Maximum Filled Capacity | 72 TB<br />288 TB (with Expansion) |
| Form Factor | Desktop |
| RAID Modes | RAID 0, 1, 10, 5, 6, JBOD, Single |
| Wake on LAN | Yes |
| Link Aggregation and Failover Support | Yes |
| Supported Protocols | AFP<br>CIFS/SMB<br>FTP<br>HTTP<br>HTTPS<br>L2TP/IPSec<br>NFS<br>OpenVPN<br>PPTP<br>Proxy<br>Rsync<br>SAN<br>SFTP<br>SMB 3.0<br>SNMP<br>SSH<br>SSL<br>Syslog<br>TFTP<br>WebDAV<br>iSCSI |
| iSCSI LUN | 256 |
| iSCSI Target | 256 |
| Noise Level | 17.6 dBA |
6 reviews for Asustor Lockerstor 4 AS6604T 4-Bay NAS Enclosure
Only logged in customers who have purchased this product may leave a review.
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Jennyfer Stokes (verified owner) –
My primary goal was to create and execute a robust backup plan for my homes critical docs and my 4-6 TBytes of pictures. This device gives me the HW, SW, and solution documentation for this usage… AND it allows me to explore lots of other uses. My view of the biggest benefit is Asustor’s learning center for the solution. It contains on-line instructions for a lot of basic usage for a NAS and how to implement the solutions. If the HW continues to be stable(1-2 months), I’ll purchase a 2 -slot NAS to remotely sync my backups, then start exploring other NAS uses….
May Zieme (verified owner) –
Great little NAS for serving your home. Ignore any comments rated 3 stars or lower on this device they just don’t understand the unique asustor ecosphere. I have owned Qnap and Synology each company has it’s own strengths and weakness as with anything in life! Asustor shines if you want stuff like MyArchive (swap-able offline, cold storage drive exchange in and out of the drive bays qnap and synology don’t have this) Virtualbox, Portainer (docker), Dual NVME drive bays internally (now for storage use not just cache), Dual 2.5gb Ethernet, Etc.. Am I a Asustor fanboy not really I research the hardware before I purchase and understand the limitations.
Mariah Hansen (verified owner) –
Bought and populated with WD Black 6tb drives, yes, we know they are not on their list of approved drives but we used them before in our QNAP units (up to 8 in a unit) and they worked terrific. Those fast drives partnered with 2-500gb NVME m.2’s gave us great speed depending on the file size. Everything was good for 4 months then one morning we did regular maintenance and when rebooted the unit came up not ready – why??? Tried numerous things for 3 days and finally wrote to support. Two days later (probably has something to do with where they are in Asia) got an answer. those drives are not on our list. So we populated it with WD red 2tb drives and got same not ready message. Reinitialized the unit 4 times – it takes about 15 hours with the 6tb drives and 8 hours with the 2tb drives – wiping all info. Result – same message. Reported these findings to support and again 3 days later – not approved drives – totally ignoring the fact I put approved WD Red drives in the unit. We have 6 various NAS, mostly QNAP, and never had any problems, even the ones using WD Black drives. Anyway be careful, especially if this is your sole backup as one day your files may be up in smoke. Unit is now in the dumpster.
Zoe Labadie (verified owner) –
The unit is of high quality construction and came up with no problems, using Seagate IronWolf drives. Creating shares is fairly straightforward. The problem I’ve had was I wanted to use the unit to replace my camera surveillance server. Load up the module, click on it and a popup asks to download a driver. Download/install, restart the browser – it doesn’t work, just asks to install the driver again. I contacted tech support and ultimately got this answer: For the issue mentioned, we are currently having issues with the Surveillance Center app in MAC OS. The issue was reported to our engineering team and they are doing their best to repair it. It will be fixed in our future software update. For now please find a windows computer to configure the Surveillance Center app. Sorry, this just won’t fly. I don’t have Windows and won’t have it. I run Mac and Linux. Too bad Linux isn’t supported, given that the NAS runs Linux – but to claim to support Mac and then tell me to use Windows…that stinks. There is no commitment on the part of Asustor to support Mac for the surveillance feature, except for a vague ‘some time in the future’ indication. All I can do at this point is hope that some day they actually offer support as they claim to do.
Sienna Abernathy (verified owner) –
I came from qnap. Yes I thinks the specs per price are comparable. Here’s whats not. Support and documentation are terrible as compared to qnap. I don’t mean company support bc any qnap customer knows how bad qnap company support is. However, they have a far better developed forum. The forum is your support. I commend those willing to help but if you are new to linux or limited in tech knowledge, avoid this product. You won’t be able to install useful third party apps. In the end, I don’t believe that the product is the issue, its the limited knowledge most windows customers have. However, if you are a limited knowledge customer, spend your money where you will get support. My rating is based on relatively less support, slow cpu speed vs maybe the Raid setting? There are other nas companies, but I have no experience with them or their support system. If you must buy, fork out for the xeon cpu. Expensive, but it would have to be fast.
Keshaun Collier (verified owner) –
The reason I chose Asustor over Synology or QNAP was difficult, but it came down to this. Synology in the hardware area is behind both QNAP and Asustor. So this took them off the table. I wanted to be able to use the snapshot feature of Btrfs which is supported by both Synology and Asustor. Since Synology was off the list due to lesser hardware I went with the Asustor, and glad I did. Contrary to some of the reviews I find the OS very easy to use and very intuitive. Installing apps, both 1st and 3rd party, is simple and had most of what I needed. Also, installing via an APK was also very simple. I also add that I love the looks of the Asustor. It has a modern yet industrial look, and more like what I am used to when I worked in a server room. Also, the display can be useful if you just want to have a quick look at a few things. I wouldn’t buy because of this, but it is a nice to have and it adds that little bit extra. So far a very easy 5 start to give. I also bought from B&H because I am tired of Amazon, and their 2 day delivery taking over a week most of the time. I get faster from B&H.