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Item#: N82E16811146070

NZXT Guardian 921RB 921RB-001-BL Blue LED SECC Steel / ABS Plastic ATX Mid Tower Computer Case

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  • SECC Steel / ABS Plastic ATX Mid Tower
  • 2 x USB 2.0 / 1 x Audio/Mic / e-SATA / Temperature Display Front Ports
  • 3 External 5.25" Drive Bays
  • 4 Internal 3.5" Drive Bays

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews


Tempest 210

Black Steel Mid Tower

NZXT celebrates the rebirth of the Guardian 921 with the renewed Guardian 921 RB. Expanded upon its predecessor, Guardian 921 RB reflects the gamer design, structural integrity, and temperature monitoring system of the original while displaying a wide range of new features to complete the system builder's dream budget case. New features include a bottom-oriented power supply mount, CPU heatsink cutout, and an extra 140mm fan slot. Game beyond your limits with the Guardian 921 RB.

Tempest 210


  • NZXT Crafted Series Design: NZXT's latest addition to the Crafted Series takes cues from gaming culture with elegant curves and a newly designed clear side panel
  • Spacious Interior and Solid Construction: Built from solid .88mm and 1.00mm steel, the Guardian 921 gives the user ample space for large, high-end video cards and space for up to four internal hard drives
  • Constant Temperature Monitoring: Three temperature probe monitoring system allows the user to constantly gauge thermals within the system at all times to prevent overheating
  • Multimedia and peripheral inputs: E-SATA, Intel HD audio, mic, and two USB inputs are standard with the Guardian 921 allowing for maximum peripheral input
  • Silent Cooling: Comes standard with three 120mm fans installed to maximize cooling performance with minimal noise
  • Updated Design: The all new Guardian 921 RB features a bottom-mounted PSU, CPU heatsink cutout, and an extra slot for a 140mm fan at the top for more cooling performance. The all new Guardian 921 RB comes in both red/blue LED combinations

Tech Specs

Size Mid Tower
Model Number 921RB-001-BL Blue LED
Drive Bays 3 EXTERNAL 5.25" DRIVE BAYS
Cooling System FRONT, 1 X 120 mm LED FAN [Included]
REAR, 1 X 120 mm FAN [Included]
SIDE PANEL, 1 X 120 mm LED FAN [Included]
TOP, 1 x 120/140mm
Clearance CPU COOLER CLEARANCE 144.4mm (with fan) 169.4mm (without fan)
Dimensions 206mm(W) X 459mm(H) X 522mm(D)
Material SECC Steel, ABS Plastic
Motherboard Support ATX, MICRO-ATX, BABY AT
Expansion Slots 7
External Electronics 1 x Audio/Mic, 2 x USB 2.0, eSATA, Temperature Display
Product Weight 8.2 kg
Warranty 2 years

What's in the Box

Tempest 210


Learn more about the NZXT 921RB-001-BL

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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