1. CORSAIR iCUE LINK 3500X RGB Mid-Tower ATX PC Case. Panoramic Tempered Glass. Reverse Connection Motherboard Compatible, 3x CORSAIR iCUE LINK RX120 RGB Fans Included. White

The iCUE LINK 3500X pushes right up against the £150 budget (it's currently sitting at £164), but it's the most premium option in this roundup. That panoramic tempered glass panel shows off your build from three angles, and the reverse-connect motherboard support means you can hide cables behind the motherboard tray for a properly clean look.

What sets this apart from cheaper Corsair cases? The three iCUE LINK RX120 RGB fans use Corsair's new simplified cabling system. Instead of running separate RGB and power cables from each fan, you daisy-chain them with a single connection. It's brilliant for cable management, and the lighting synchronisation through iCUE software is miles ahead of basic ARGB controllers.

Build quality feels proper. The glass panels are thick (not the flimsy stuff you get on budget cases), and the white finish stays clean-looking without showing fingerprints like black tempered glass. I tested this with an RTX 4070 Ti and a 360mm AIO cooler. GPU clearance extends to 410mm, so even chunky three-slot cards fit comfortably. The top and side both support 360mm radiators, giving you flexibility for custom loops or dual AIO setups.

Airflow's good, though not quite as aggressive as the mesh-front FRAME 4000D. The glass panels restrict intake slightly, but the three included fans keep temperatures reasonable. During stress testing with a Ryzen 7 7800X3D and RTX 4070 Ti, GPU temps stayed below 72°C and CPU temps hovered around 68°C under full load. That's perfectly acceptable for a showcase case.

The downsides? Price, mainly. At £164, it's over budget if you're strict about the £150 limit. And if you're not bothered about RGB or panoramic glass, you're paying extra for aesthetics rather than pure performance. But for builders who want their PC to look like a showpiece, this is the one. See our full iCUE LINK 3500X RGB review for thermal benchmarks and build photos.

Editor's pick: CORSAIR iCUE LINK 3500X RGB Mid-Tower ATX PC Case, Panoramic Tempered Glass, Reverse Connection Motherboard Compatible, 3x CORSAIR iCUE LINK RX120 RGB Fans Included, White

2. CORSAIR FRAME 4000D Modular Mid-Tower ATX PC Case. High Airflow, InfiniRail™ Fan Mounting System, Dual 360mm Radiator Support, ASUS BTF, MSI Project Zero, Gigabyte Project Stealth. Black

At £63, the FRAME 4000D is ridiculously good value. This is the case I'd recommend to anyone building their first PC or anyone who wants maximum features for minimum spend. It supports reverse-connect motherboards (ASUS BTF, MSI Project Zero, Gigabyte Project Stealth), which is a feature you'd normally find on £100+ cases.

The InfiniRail fan mounting system is clever. Instead of fixed screw holes, you get a continuous rail along the front and top panels. Fans slide into position and lock down with thumbscrews. Want to move a fan 20mm to the left to clear a tall RAM stick? Takes 30 seconds. No screwdriver needed. It's one of those features that seems gimmicky until you use it, then you wonder why every case doesn't work like this.

Airflow's excellent. The mesh front panel lets air flow freely, and you can mount up to six 120mm fans (or three 140mm) across the front and top. I tested this with a stock configuration (two 120mm fans included would be ideal, but Corsair ships this without fans to keep the price down). Adding three cheap Arctic P12s brought temps down significantly. With a Ryzen 5 7600X and RTX 4060 Ti, GPU temps stayed at 65°C and CPU temps at 62°C during gaming. Proper performance for sixty quid.

Cable management's straightforward with plenty of velcro straps and routing holes. The PSU shroud hides your power supply and cables, keeping the main chamber tidy. You get 2x 3.5" drive bays and 4x 2.5" bays, which is more than enough for most builds (SSDs are tiny now anyway). GPU clearance maxes out at 360mm, so check your card dimensions if you're running a massive three-slot model.

The main compromise? No fans included. Budget an extra £15-20 for a three-pack of Arctic or be quiet! fans. Even with that added cost, you're still under £85 total, making this the best value among the Best Corsair Computer Cases Under £150. We covered this in our FRAME 4000D review with full thermal testing.

3. CORSAIR FRAME 4000D RS ARGB Modular Mid-Tower ATX PC Case. High Airflow, 3x Pre-Installed RS ARGB Fans, InfiniRail™ Fan Mounting System, ASUS BTF, MSI Project Zero, Gigabyte Project Stealth. Black

This is the FRAME 4000D with three RS ARGB fans pre-installed. At £89, you're paying £26 more than the base model, which is reasonable considering three decent ARGB fans would cost £20-25 separately. For gaming builds where you want some RGB flair without the premium price of iCUE LINK, this hits the sweet spot.

The RS ARGB fans use standard 3-pin ARGB headers (not Corsair's proprietary iCUE LINK system), so they'll work with any motherboard's RGB software. Asus Aura, MSI Mystic Light, Gigabyte RGB Fusion - they all control these fans fine. The lighting's bright and even, though not quite as sophisticated as the iCUE LINK fans in the 3500X. You get the usual rainbow wave, static colours, and breathing effects.

Performance matches the standard FRAME 4000D because it's the same case underneath. Same InfiniRail mounting, same reverse-connect motherboard support, same dual 360mm radiator compatibility. The three included fans (two front intake, one rear exhaust) provide solid airflow out of the box. I tested this with a gaming load (Cyberpunk 2077 maxed out at 1440p) using a Ryzen 7 7700X and RTX 4070. GPU temps peaked at 68°C, CPU at 71°C. Adding a top exhaust fan would improve that further, but stock configuration handles mid-range gaming hardware comfortably.

Build quality's identical to the base 4000D - sturdy steel construction, mesh front panel, tool-free side panels. Cable management's the same too, with plenty of tie-down points and a PSU shroud. The ARGB controller box tucks behind the motherboard tray, keeping cables tidy.

Why choose this over the base 4000D? If you're building a gaming PC and want RGB without faffing about buying separate fans, this saves time and looks good immediately. The black finish suits most builds, and the mesh front keeps things cool during long gaming sessions. See our FRAME 4000D RS ARGB review for RGB lighting comparisons.

4. CORSAIR FRAME 4000D RS ARGB Modular Mid-Tower ATX PC Case. High Airflow, 3x Pre-Installed RS ARGB Fans, InfiniRail™ Fan Mounting System, ASUS BTF, MSI Project Zero, Gigabyte Project Stealth. White

This is the white version of the black FRAME 4000D RS ARGB above, and it's actually cheaper at £77 (weird pricing, but I'll take it). For content creators building a clean, professional-looking workstation, the white finish works brilliantly. It doesn't scream "gaming PC" like black cases with aggressive angles and RGB overload.

Functionally identical to the black model - same three RS ARGB fans, same InfiniRail mounting system, same reverse-connect motherboard support. The white finish extends to the interior too, which looks sharp when paired with white components. I built a Ryzen 9 7900X workstation in this case with a white GPU, white RAM, and white AIO cooler. The aesthetic's clean and modern, perfect for content creators who want their setup to look professional on camera.

For video editing and 3D rendering workloads, the dual 360mm radiator support matters. A 360mm AIO on the front keeps a 12-core CPU cool during long renders, and you could add a second radiator on top if you're running a custom loop. During Blender rendering tests, CPU temps stayed at 74°C with a Corsair H150i Elite LCD cooler. That's excellent for an all-core workload that hammers every thread.

The three included ARGB fans provide adequate airflow, though I'd recommend adding a fourth fan on top for exhaust if you're running hot components. The mesh front panel doesn't restrict intake, and the PSU shroud keeps cable clutter hidden. Storage options (2x 3.5", 4x 2.5") work well for content creators who need fast NVMe drives for active projects and larger HDDs for archival storage.

Why this over the black version? Personal preference, mostly. The white finish photographs better if you're showing your setup on social media or YouTube. And at £77, it's £12 cheaper than the black model, which makes zero sense but saves you money. Our white FRAME 4000D review includes workstation build photos.

5. CORSAIR 3000D RGB AIRFLOW Mid-Tower PC Case, 3x AR120 RGB Fans. Three-Slot GPU Support. Fits up to 8x 120mm Fans. High-Airflow Design. White

The 3000D RGB AIRFLOW is Corsair's compact mid-tower option, sitting between micro-ATX and full ATX sizing. At £88, it includes three AR120 RGB fans and a high-airflow mesh front panel. It's ideal for builders who want a smaller footprint without dropping down to a cramped mini-ITX case.

Size matters here. The 3000D is noticeably shorter than the FRAME 4000D, making it easier to fit under desks or on smaller workstations. But it still accommodates full ATX motherboards, 360mm GPUs, and 360mm radiators on the front or 280mm on top. That's impressive space efficiency. I built a compact gaming rig in this case with a Ryzen 5 7600 and RTX 4060, and everything fit comfortably without feeling cramped.

The three AR120 RGB fans use Corsair's older RGB system (not iCUE LINK or even standard ARGB). They connect to an included controller that offers basic lighting modes via a button on the front I/O. No motherboard software control, which is limiting if you want synchronised RGB across your build. But for a standalone case, the lighting looks decent - bright, even illumination with several preset patterns.

Airflow's strong thanks to the mesh front panel and three included fans (two front intake, one rear exhaust). GPU temps during gaming stayed at 66°C, CPU temps at 64°C with the Ryzen 5 7600 and stock cooler. Adding a top exhaust fan would improve things slightly, and the case supports up to eight 120mm fans total if you really want to maximise cooling.

The main limitations? Only two drive bays (compared to six on the FRAME 4000D), and the compact size means less room for cable management behind the motherboard tray. It's tighter back there, so expect to spend extra time routing cables neatly. And the 360mm GPU clearance might be tight for the chunkiest three-slot cards. Check our 3000D RGB AIRFLOW review for compact build tips.