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RM252 MIO Series

2U Expandable Short Depth Edge Computing Server Chassis

RM252 MIO Series is a ultra short-depth chassis supporting up to 2 server GPGPU cards, ideal for high-performance applications.

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Features & Benefits

450 mm ultra-short chassis fits various environments.
Flexible to support 2 (default) or 1 (option) GPGPU.
Optimized I/O design for machine learning at edge sites, offering up to two full-height or one full-height with six low-profile PCIe expansion slots for GPU/FPGA accelerator cards.

HDD supports 6-port SAS/SATA or 2-port NVMe, along with 4-port SAS/SATA, offering more flexibility.
It is equipped with the latest tool-less design and supports 8025/8038/8056 multiple fan options.
Supports normal 7-slot MB and 6.5-slot MB with patented rear bracket window.
With front and rear I/O versions, more flexibility is provided.

Specification
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Accessory
Compatibility
Order Information

MB Form Factor	E-ATX (12” x 13”), CEB (12” x 10.5”), ATX (12” x 9.6”) (For 1U height MB and heatsinks, 2U standard I/O shielding is not supported. The maximum I/O height limit for the MB is 31.47 mm.)
Dimension (D x W x H)	450.0 mm x 438.0 mm x 87.0 mm; 17.7” x 17.3” x 3.4”
Drive Bay	RM25204 MIO RIO [Front] 2.5" Hot-swap HDD：4 RM25204 MIO RIO [Rear] 2.5" Hot-swap HDD：2 RM25206 MIO FIO [Front] 2.5" Hot-swap HDD：6
Storage Backplane	RM25204 MIO RIO: • 2.5” 1 x 2-port PCIe Gen4 NVMe + 2.5” 2 x 2-port SAS/SATA --- RM25206 MIO FIO: • 2.5” 6-port 12Gbps SAS/SATA • 2.5” 1 x 2-port PCIe Gen4 NVMe + 2.5” 2 x 2-port SAS/SATA
PSU Form Factor	1+1 1200W CRPS PSU
Indicator	1 x Power Status, 2 x LAN Activity, 1 x UID, 1 x HDD Status, 1 x System Alarm
Front Control	1 x Power On/Off, 1 x System Reset, 1 x UID, 1 x USB 3.0
Cooling Fan	RM25204 MIO RIO: [Front] 4 x 80mm (T=56mm), PWM, 11000RPM, Hot-swap RM25206 MIO FIO: [Rear] 4 x 80mm (T=56mm), PWM, 11000RPM, Hot-swap
System Security	Intrusion Switch, Key Lock (on the front door)
Expansion Slot Opening	RM25204 MIO RIO: Due to airflow circulation, both GPU and GPGPU can be used. • GPGPU x2, LPx1 GPGPU right: 1x right 2U x16 to x16 FH Gen5 riser card insert in 7-slot or 6.5-slot MB GPGPU left: 1x left 1U x16 to x16 LP Gen5 riser card insert in LP slot 5, and 1x left 2U x16 to x16 FH Gen5 riser card insert in 6-slot MB --- RM25206 MIO FIO: Due to airflow circulation, only GPGPU is suggested to be used. • GPGPU x2, LPx1 GPGPU left: 1x left 2U x16 to x16 FH Gen5 riser card insert in 7-slot or 6.5-slot MB GPGPU right: 1x right 1U x16 to x16 LP Gen5 riser card insert in LP slot 5, and 1x right 2U x16 to x16 FH Gen5 riser card insert in 6-slot MB • GPGPU x1, LPx6 GPGPU left : 1x left 2U x16 to x16 FH Gen5 riser card insert in 7-slot or 6.5-slot MB
Net Weight	9.5 KG/PCS
Gross Weight	12.5 KG/CTN
Cubic Feet	2.8
Container Loading (Single Packing)	20' FCL: 208 PCS / 40' FCL: 448 PCS

Category	Part. No#	Description	Support
HDD Cage	384-PCB00093B0A0	2 port NVMe Gen4 HDD module
HDD Cage	384-PCB00094B0A0	2 port SAS/SATA HDD module
Riser Card	384-PCB00084B0A0	380-30900-1602A0 1U x16 to x16 LP riser card (Right) For Edge (Gen5)
Riser Card	384-PCB00087B0A0	380-30900-1702A0 2U x16 to x16 FH riser card (Right) For Edge (Gen5)
Riser Card	384-PCB00088B0A0	380-30900-1802A0 2U x16 to x16 FH riser card (Left) For Edge (Gen5)
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PSU

Motherboard

Add-in Card

HDD

Category	Description	Revision	Size	Download
Datasheet	RM252 MIO Series Datasheet V1.0	V1.0	447.6 KB