Main trade-off
ASUSTOR Lockerstor 4 Gen2+ AS6704T v2
Only two USB 10Gbps ports, and the optional 10GbE card displaces all four internal NVMe positions.
Head-to-head
ASUSTOR AS6704T v2 vs AS5404T: Native 5GbE or a third fast USB connection for the backup setup
The short answer
Choose AS6704T v2 when a properly equipped 5GbE desk is part of the plan. Choose AS5404T when the network stays at 2.5GbE or below and its third USB 10Gbps port helps the attached-device setup. Both have four SATA bays, four NVMe slots, N5105 and a 16GB RAM ceiling. Lockerstor's optional 10GbE card removes the NVMe board.
Before you choose
The reasoning and the trade-offs
A fast SSD workspace can still stop at the laptop adapter
If your laptop adapter and switch are 2.5GbE, both NAS models meet the same link ceiling even with fast NVMe storage inside. AS6704T v2 becomes useful when the complete path moves to 5GbE. For a home where the archive is mainly a destination for finished work, compare the complete AS5404T package with the cost of that network upgrade before taking money from the independent-backup budget.
What this is based on
Native link-rate intersection. Minimum of client, switch and NAS path bounds the negotiated connection. This is not a measured transfer-rate prediction and says nothing about internet access speed.
Main trade-off
ASUSTOR Nimbustor 4 Gen2
Its native Ethernet ports stop at 2.5GbE. Faster client hardware alone cannot make those ports run at 5GbE.
ASUSTOR Lockerstor 4 Gen2+ AS6704T v2
- Choose it for
- The computer and complete wired path can use native 5GbE, while you keep internal NVMe storage.
- You need the slightly narrower 170 mm body and can accommodate its greater height.
- Main trade-off
- Only two USB 10Gbps ports, and the optional 10GbE card displaces all four internal NVMe positions.
ASUSTOR Nimbustor 4 Gen2
- Choose it for
- The household network stays at 2.5GbE or slower, so the faster NAS ports would not raise that link rate.
- Three compatible USB 10Gbps devices need direct ports without assuming a hub will work.
- Main trade-off
- Its native Ethernet ports stop at 2.5GbE. Faster client hardware alone cannot make those ports run at 5GbE.
About this comparison
Compare Lockerstor 4 Gen2+ and Nimbustor 4 Gen2 for a home archive. Decide whether native 5GbE helps your desk or another USB port matters more.
Both are four-bay Intel N5105 NAS models with four NVMe positions, 4GB supplied RAM and HDMI. The extra networking in Lockerstor needs to solve a real bottleneck to justify the upgrade.
Winner by situation
Start with what you need it to do
A fully equipped 5GbE editing path is required
Lockerstor provides native 5GbE. Nimbustor's native ports stop at 2.5GbE.
- ASUSTOR Lockerstor 4 Gen2+ AS6704T v2
- Better fit
- ASUSTOR Nimbustor 4 Gen2
- Not suitable
Three compatible fast USB devices need direct ports
Nimbustor has three 10Gbps ports. Lockerstor has two, so it needs another verified connection arrangement.
- ASUSTOR Lockerstor 4 Gen2+ AS6704T v2
- Caution
- ASUSTOR Nimbustor 4 Gen2
- Better fit
The existing home network stays at 2.5GbE
Both meet that link rate. The NAS port label alone does not change the existing bottleneck.
- ASUSTOR Lockerstor 4 Gen2+ AS6704T v2
- Good
- ASUSTOR Nimbustor 4 Gen2
- Good
More than 16GB of supported RAM is required
Both stop at 16GB, regardless of network port speed.
- ASUSTOR Lockerstor 4 Gen2+ AS6704T v2
- Not suitable
- ASUSTOR Nimbustor 4 Gen2
- Not suitable
What matters in practice
The differences that matter
A fast SSD workspace can still stop at the laptop adapter
If your laptop adapter and switch are 2.5GbE, both NAS models meet the same link ceiling even with fast NVMe storage inside. AS6704T v2 becomes useful when the complete path moves to 5GbE. For a home where the archive is mainly a destination for finished work, compare the complete AS5404T package with the cost of that network upgrade before taking money from the independent-backup budget.
How we reached this conclusion
Native link-rate intersection. Minimum of client, switch and NAS path bounds the negotiated connection. This is not a measured transfer-rate prediction and says nothing about internet access speed.
A third fast USB device can make the simpler network box more convenient
A desk using two attached backup drives and a compatible USB card reader has three high-speed USB connections to place. AS5404T has three direct 10Gbps USB ports. AS6704T v2 has two plus a USB 2.0 port, so the same arrangement needs a different connection plan or a separately verified hub. Do not assume all three devices can transfer at their headline rates together.
How we reached this conclusion
Physical direct-port budget, with each example device and simultaneous support still requiring compatibility checks. No USB bus-throughput or backup-duration advantage is claimed.
A network upgrade does not add room for more applications
For a household combining photo backups with home-server apps, neither model raises the supported memory ceiling above 16GB. Both start with 4GB and use N5105. If memory is the known bottleneck, a compatible RAM upgrade or a different platform deserves attention before the Lockerstor network upgrade. Its taller body also matters if the NAS must fit an existing open shelf.
How we reached this conclusion
Same CPU and supplied/maximum RAM, with 15.5 mm height difference. Hardware parity does not establish identical real performance. No health, noise or thermal benefit follows from the body size.
Choice A
ASUSTOR, AS6704T v2
Lockerstor 4 Gen2+ AS6704T v2
The computer and complete wired path can use native 5GbE, while you keep internal NVMe storage.
- Best matched use
- The computer and complete wired path can use native 5GbE, while you keep internal NVMe storage.
Checked facts
- Useful native link rate: Four SATA bays, four PCIe 3.0 x1 NVMe slots and two native 5GbE ports. Optional 10GbE requires removing the M.2 daughterboard.
- External device connections: HDMI 2.0b, two USB-A 10Gbps ports and one USB 2.0 port.
- Application headroom: Intel N5105. 4GB DDR4 supplied and 16GB maximum.
- Shared shelf dimensions: 185.5 x 170 x 230 mm, height x width x depth. Four SATA positions.
Choice B
ASUSTOR, AS5404T
ASUSTOR Nimbustor 4 Gen2
The household network stays at 2.5GbE or slower, so the faster NAS ports would not raise that link rate.
- Best matched use
- The household network stays at 2.5GbE or slower, so the faster NAS ports would not raise that link rate.
Checked facts
- Useful native link rate: N5105, 4GB DDR4 supplied and 16GB maximum. Four SATA and four PCIe 3.0 x1 M.2 slots. Two native 2.5GbE ports.
- External device connections: Three USB 10Gbps ports, HDMI 2.0b and body dimensions 170 x 174 x 230 mm, height x width x depth.
- Application headroom: N5105, 4GB DDR4 supplied and 16GB maximum. Four SATA and four PCIe 3.0 x1 M.2 slots. Two native 2.5GbE ports.
- Shared shelf dimensions: Three USB 10Gbps ports, HDMI 2.0b and body dimensions 170 x 174 x 230 mm, height x width x depth.
Meaningful differences
What changes the fit
| What changes | ASUSTOR Lockerstor 4 Gen2+ AS6704T v2 | ASUSTOR Nimbustor 4 Gen2 | Why it matters |
|---|---|---|---|
| Useful native link rate | Four SATA bays, four PCIe 3.0 x1 NVMe slots and two native 5GbE ports. Optional 10GbE requires removing the M.2 daughterboard. | N5105, 4GB DDR4 supplied and 16GB maximum. Four SATA and four PCIe 3.0 x1 M.2 slots. Two native 2.5GbE ports. | A 2.5GbE client still negotiates at 2.5GbE. Native 5GbE needs a suitable client and complete path. |
| External device connections | HDMI 2.0b, two USB-A 10Gbps ports and one USB 2.0 port. | Three USB 10Gbps ports, HDMI 2.0b and body dimensions 170 x 174 x 230 mm, height x width x depth. | Nimbustor has three USB 10Gbps ports rather than two. A USB 2.0 port is not an equivalent third fast port. |
| Application headroom | Intel N5105. 4GB DDR4 supplied and 16GB maximum. | N5105, 4GB DDR4 supplied and 16GB maximum. Four SATA and four PCIe 3.0 x1 M.2 slots. Two native 2.5GbE ports. | The same processor and 16GB ceiling do not justify a larger application-capacity claim for Lockerstor. |
| Shared shelf dimensions | 185.5 x 170 x 230 mm, height x width x depth. Four SATA positions. | Three USB 10Gbps ports, HDMI 2.0b and body dimensions 170 x 174 x 230 mm, height x width x depth. | Lockerstor is 4 mm narrower but 15.5 mm taller. Depth is 230 mm on both before working clearance. |
What you give up
Every choice has a cost
If you choose ASUSTOR Lockerstor 4 Gen2+ AS6704T v2
- These are diskless configurations. Check the exact model suffix, supplied RAM, seller, return terms and US warranty eligibility before ordering. Drives, optional cards and memory upgrades are separate purchases.
If you choose ASUSTOR Nimbustor 4 Gen2
- Check the exact AS5404T diskless offer, current seller and US warranty eligibility. Drives, compatible RAM and external equipment are separate purchases.
Recommendation switch
The decision flips if...
The complete wired desk moves to 5GbE
Choose ASUSTOR Lockerstor 4 Gen2+ AS6704T v2. Native 5GbE preserves the internal NVMe board without the optional 10GbE card.
Three direct fast USB connections matter more than networking above 2.5GbE
Choose ASUSTOR Nimbustor 4 Gen2. Nimbustor has the additional USB 10Gbps port.
The actual limit is application memory above 16GB
Choose neither. Both have the same supported ceiling.
What matters in practice
Before you choose
You want a faster home archive without paying for a link your computer cannot use or losing a convenient connection for the backup routine.
What this comparison cannot tell you
- Ethernet figures are link rates, not measured file-transfer speeds. Client adapters, switches, cabling, disks, file sizes and concurrent work can be the bottleneck.
- RAID, snapshots and ECC do not replace a separate backup. Keep a tested copy outside the NAS and protect it from the same accident or account compromise.
- No measured application-speed or acoustic advantage is assigned from the shared processor or body size.
What the facts say
What the comparison shows
Useful conclusions from the current NAS devices comparison, followed by the checked facts used to reach them.
See the checked facts and calculation notes
| Product | Needs matched | Checked facts | Source records |
|---|---|---|---|
| ASUSTOR Lockerstor 4 Gen2+ AS6704T v2 |
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| |
| ASUSTOR Nimbustor 4 Gen2 |
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Ready to choose?
Check the price. Read the owner reviews.
Open either model on Amazon to check the current price, customer reviews and delivery options.
ASUSTOR Lockerstor 4 Gen2+ AS6704T v2
The computer and complete wired path can use native 5GbE, while you keep internal NVMe storage.
You need the slightly narrower 170 mm body and can accommodate its greater height.
See price & reviews on AmazonASUSTOR Nimbustor 4 Gen2
The household network stays at 2.5GbE or slower, so the faster NAS ports would not raise that link rate.
Three compatible USB 10Gbps devices need direct ports without assuming a hub will work.
See price & reviews on AmazonLinks open in a new tab.