Monday, August 4th 2025

SilverStone Launches RM53-502 5U Workstation Chassis

SilverStone today launched the RM53-502, a workstation chassis that allow you to either use it as a 5U rackmount, or sideways as a tower. The 5U form-factor allows you to pack your workstation with tall add-on cards and elaborate self-contained liquid cooling setups. In its example build, SilverStone highlighted cooling possibilities such as a 360 mm radiator along the case's 3x 120 mm intake, besides three separate 80 mm intakes. There is a 140 mm rear exhaust, while a bracket on top of the add-on cards holds a further two 80 mm fans, if your cards are of standard 11.5 cm height. This bracket can be removed for additional height clearance. There is plenty of room for a high-Wattage PSU or a redundant compound PSU, while the front side of the case has drive cages, including a multi-function cage that can either be used for some drives or an SFX PSU.

SilverStone recommends pairing this case with some of its other products, such as the XE360PDD, a 360 mm AIO CLC with two CPU water blocks for 2P EPYC or Xeon Scalable setups, the FHS80X high airflow 80 mm fan, or the FHS120X high airflow 120 mm fan. The motherboard tray supports SSI-EEB, SSI-CEB, E-ATX, or smaller form-factors, with 8 expansion slots. Depending on how you configure your cooling, there's room for graphics cards up to 45 cm in length, and CPU coolers up to 17.8 cm in height. The case measures 440 mm (W) x 220 mm (H) x 485 mm (D).
Many more pictures of the case follow.

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4 Comments on SilverStone Launches RM53-502 5U Workstation Chassis

#1
outlw
This looks like a nice chassis, even if it is a little light on 3.5" mounts 🤔

I really have to wonder what they were thinking, though, by having only a single external cooling through hole on the back :confused:
Really, a single through hole makes no sense at all.
It needs at least two, for both supply and return lines...

EDIT:
Ah, I see now.
The single through hole is for cabling for the external fans!
Still wish they had two, though, so you could more easily tube it into an external loop.
Posted on Reply
#2
Alan Smithee
This appears to be a refresh of the RM52, adding 3x 80mm fans to the top of the front panel, two of which for GPU cooling and the third for the 2.5" bays. Otherwise it's pretty much the same. The RM52 sells for about US$550 so this will probably hit $600-ish.
Posted on Reply
#3
enb141
No front panel buttons USB inputs (at least from the pictures and without opening the front door), maybe next case finally will have it.
Posted on Reply
#4
PR0PH3CY
One thing I really like about the Silverstoen cases is that it has an 8th slot. This seems like such a small, minor thing, almost pointless but it's honestly so great. A lot of the DIY whitebox cases have more of a NAS design for them and lots of PCIe cards don't even often have holes or cutouts in the metal bit aside from GPUs. And that area just builds up heat easily. It's mostly noticeable with higher bandwidth NICs. With that 8th slot, you can easily put a slot fan to move air around there or an exhaust slot fan to pull it out. It's a game changer. It's a major reason I'm planning to move from my Rosewill 4U's to the Silverstone cases.
Posted on Reply
Nov 14th, 2026 18:59 CST change timezone

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