Corsair Carbide 400C review vs. S340, P400 - The Most Comprehensive BenchmarkP2: Corsair 400C Temperature Benchmark

Teased at CES 2016, Corsair"s 400C ($90) enclosure swiftly followed the chart-topping 600C, a case that dominated our GPU cooling charts. The 600C & 600Q cases instituted an inverted motherboard layout – rotating và flipping board installation such that the GPU is oriented “upside-down” – but stuông chồng with tried-and-died optical drive sầu tư vấn. To allow for an enclosure more fitting of the “mid-tower” form factor, Corsair removed the 5.25” tư vấn in its new Carbide Series 400C và 400Q cases, shrinking the height from ~21 inches to ~18.27 inches.

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This review of the Corsair Carbide 400C benchmarks cooling performance for CPUs và GPUs, all accompanied by build unique and installation analysis. The 400Q is more-or-less the same case, just with the window removed and sound-damping material added.

Corsair 400C Gaming Case Specs

CaseCarbide 400CCarbide 600C
Motherboard SupportATXATX
CoolingIncluded: Front: 1x140milimet Rear: 1x120milimet Optional: Front: Total 2x140milimet / 3x120mm Top: 2x120/140mmIncluded: Front: 2x140mm Rear: 1x140milimet Note: 600Q only 1x140 Front Optional 3x120/2x140 Bottom
Radiator SupportFront: 360mm Top: 240mm Rear: 120mmFront: 240/280milimet Rear: 140mm Bottom: 280/360mm
Expansion & Bays0x5.25” 3x2.5” 2x3.5” 7 expansion slots2x5.25” 3x2.5” 2x2.5/3.5” 8 expansion slots
Front I/O2xUSB3.0 2x3.5mm2xUSB2.0 2xUSB3.0 2x3.5mm 3-Speed Fan Controller
ClearancesCPU Heatsink: 170mm PSU: 200milimet GPU: 370mmCPU Heatsink: 200mm PSU: 210mm GPU: 370mm
Dimensions425 x 215 x 464mm454 x 260 x 535mm
Price$90 to $100$150

Corsair 400C Layout Walkthrough

Corsair"s 600C took risks. The case uses an inverted motherboard layout, something discussed extensively in our previous Reviews, & reminds us of a select group of Cooling Elite in this regard. But it"s those same risks which increase the case"s cost – new tooling often has that effect – & push some users away. For that, Corsair"s designed its more compact Carbide 400C.

But the 400C isn"t totally without risk: It"s ditching the 5.25” optical drive bays, something NZXT famously did with its H440 & carried on with the competing-class S340.

The 400C ditches its larger counterpart"s inverted motherboard layout, instead reverting to lớn familiar territory & exposing the board to lớn the left side. Stochồng cooling is simplified lớn a phối of two fans, one 140milimet và one 120milimet, shooting a straight line of air from the front-top and out the back-top. Because the 400C"s PSU shroud has been shifted khổng lồ the bottom, two top-mounted fans can be installed as optional add-ons or for large radiators. We tested a few non-stochồng configurations to lớn determine which setup made the most sense when looking at CPU và GPU thermals; more on that below.


The motherboard tray is flanked by cooling và a power supply shroud. Corsair deploys a familiar kiến thiết approach lớn the 600C"s shroud, but the plastic cable concealer is functionally different. The 400C"s shroud uses a two-piece, all-plastic system (sort of lượt thích the ancient HAF X). Pulled apart, there"s better accessibility khổng lồ removable, bottom-mounted drive sầu cages and the PSU"s cabling. A slot aligns between the separable shroud components, funneling direct-to-GPU wiring for cleaner cable management. This is something we complained about with the 600C, demanding a PCI-e hole be cut inkhổng lồ the shroud, and is a noticeable improvement for clean cable management.

Externally, the case fronts Corsair"s newest design choices, as introduced on the 600C. Flat, smooth paneling adorns the front, top, và right side of the case, exposing internals with a large side window (somewhat of a Corsair trademark, at this point). A fair set of curves and hard edges comprise the case"s exterior. As often stated in these Đánh Giá, we try to stay away from aesthetics for the most part – but it"s worth some discussion. The decision lớn set a curved top-front bezel with hardened edges elsewhere in the case, particularly the PSU shroud"s jutting angularity, does feel a bit haphazard và lacking of cohesion in overall kiến thiết. Small beans, really – the rest of the case is unoffensive sầu & cleanly executed, which is about all we ask for in a case. Such is the nature of an objective sầu, data-driven trang web. The photos và đoạn Clip b-roll should help you formulate opinions.

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Corsair 400C Ease-of-Installation, Build Quality, & Cable Management


Installation is standard and without frills. Management room is ample, accessibility lớn oft hard-to-reach EPS 12V cables is made easy, and there"s no fuss with core component clearances. The SSD sled has a clever mounting mechanism to lớn make for easy extraction & addition of rear-of-tray SSDs, partly negating the issues we had with the front-side drive sầu cages.

PSU mounting forgoes the externally-fitted bracket of the 600C, instead deferring to a standard mix of four screws và rear-first installation. Despite tư vấn for 200milimet PSUs, we had lớn remove sầu the bottom hard drive sầu cages lớn accommodate our 180mm chạy thử power supply. The PSU technically mounted, but cabling was hellish và pressed against the cages, making it effectively inaccessible and unsupported. We wish this would be made more clear in documentation, but PSUs nearing the 180mm form factors will likely force removal of bottom-mounted drive cages, lest cabling is kinked into uncomfortably angled/forced positions.

Another note on the PSU is its shroud: The 400C"s PSU shroud forced us to route front I/O connectors above the PSU shroud (could not reasonably fit any other way – either due to lớn length or the shroud"s restrictive sầu space). It"s a bit uglier that way, but does work. Corsair should seriously consider lengthening front I/O cables or finding a better way khổng lồ slot the front half of the PSU shroud into its rear structure. The PSU shroud runs so cthua to lớn the FPC on the motherboard that cables can get pulled (undesirably), pinched, or completely forbid the locking action of the PSU shroud components. After fighting with it for a few minutes, we were able to lớn assemble the shroud and route its neighboring cables with acceptable results – it"s mostly aesthetic, after all – but life would have sầu been much easier with the aforementioned changes.

Test Methodology

We tested using our Ivy Bridge demo bench, detailed in the table below. This particular configuration has been retired & brought back into service, following some changes to lớn our hardware availability. We’ve sầu moved from a one-bench-fits-all thiết lập (which uses a Haswell config in an mATX board) lớn multiple benches, one for mATX & small towers và one for ATX / mid-towers. This bench is for the latter.

Conducting thermal tests requires careful measurement of temperatures in the surrounding environment. We control for ambient – which is phối lớn a constant 21C – and then produce charts using a Delta T(emperature) over Ambient value. This value subtracts 21C from the measured output, producing a delta report of thermals. AIDA64 is used for logging thermals of silibé components, including the GPU diode.

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All case fans are manually configured to lớn their maximum throughput using BIOS. If a fan controller is present, we opt-in & demo on multiple settings. This forces testing of case fan performance in addition to lớn the case"s air channeling & airstream thiết kế. This also ensures minimal variance when testing, as automatically controlled fan speeds can reduce reliability of benchmarking. The CPU người is phối to lớn use a custom fan curve sầu that was devised in-house after a series of testing; setting the CPU fan to its maximum speed can limit the disparity shown from case-to-case as the CPU cooler is extremely efficient, và will create a ceiling for thermal performance if bottlenecked.

ComponentCourtesy OfPrice
Video CardGTX 980 Reference(PhysX) MSI GTX 980 GamingNVIDIACyberPower$500
CPUHãng Intel i5-3570K

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