Azure FXT Edge Filer specifications

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Action Required: Azure FXT Edge Filer will be retired on December 31, 2026. Please remove all Azure FXT Edge Filer resources by December 31, 2026. Visit https://aka.ms/fxtretirementfaq for more information.

This article explains the hardware specifications for Azure FXT Edge Filer hardware nodes. In practice, three or more nodes are configured together to provide the clustered cache system.

Hardware specifications

Component	FXT 6600	FXT 6400
CPU cores	16	16
DRAM	1536 GB	768 GB
Network ports	6 x 25/10 Gb + 2 x 1 Gb	6 x 25/10 Gb + 2 x 1 Gb
NVMe SSD capacity	25.6 TB	12.8 TB

Drive specifications

The system has ten drive bays, accessible from the front. Each populated drive is labeled on the right with capacity information.

Drive numbers are printed on the space between drives. In the Azure FXT Edge Filer, drive 0 is the top left drive, and drive 1 is directly underneath it.

Drive numbers	Use	Specifications
0, 1	OS	480 GB SATA SSD
2, 3, 4, 5, 6, 7, 8, 9	Data	FXT 6600: 3.2 TB NVMe SSD FXT 6400: 1.6 TB NVMe SSD

Dimensions and weight

The Azure FXT Edge Filer is designed to fit in a standard 19" equipment rack and is one rack unit high (1U).

Filer dimensions	Value
Height	42.8 mm (1.68 inches)
Width (including rack ears)	482.0 mm (18.97 inches)
Width - main enclosure	434.0 mm (17.08 inches)
Depth - rack ears to back of main enclosure	733.82 mm (29.61 inches)
Depth - rack ears to furthest rear protrusion	772.67 mm (30.42 inches)
Depth - rack ears to furthest front protrusion, without bezel	22.0 mm (0.87 inch)
Depth - rack ears to furthest front protrusion, with bezel	35.84 mm (1.41 inches)

Weight	Value
Node weight (without packaging, without accessories)	40 lbs (18.1 kg)
Net weight (without packaging, including accessories)	51 lbs (23.1 kg)
Gross weight (as shipped, includes all packaging)	64 lbs (29.0 kg)

Shipping dimensions

Package dimension	Millimeters	Inches
Height	311.2	12.25"
Width	642.8	25.31"
Length	1,051.1	41.38"

Power and thermal specifications

This section gives power ratings and measurements for the Azure FXT Edge Filer.

Nameplate ratings

Nameplate ratings for FXT 6000 series models
100 - 240V~
10A - 5A (X2)
50/60Hz

Power and thermal measurements

Azure FXT Edge Filer nodes use variable speed fans, so power depends on temperature and load. Maximum fan speeds can be reached at certain combinations of high load and elevated ambient temperatures.

These charts give power consumption and thermal output measurements for commonly used voltage-frequency combinations.

FXT 6600 power at room temperature (22° C, 71.6° F)	100 V, 60 Hz	120 V, 60 Hz	208 V, 60 Hz	230 V, 50 Hz	240 V, 50 Hz
Voltage (V)	100	120	208	230	240
Frequency (Hz)	60	60	60	50	50
Current (A)	5.02	4.16	2.40	2.20	2.16
Apparent Power (VA)	502	499	499	506	518
Power Factor	0.99	0.99	0.98	0.98	0.98
Real Power (W)	497	494	489	496	508
Thermal Dissipation (BTU/Hr)	1696	1686	1669	1692	1733

FXT 6600 power at maximum fan speeds	100 V, 60 Hz	120 V, 60 Hz	208 V, 60 Hz	230 V, 50 Hz	240 V, 50 Hz
Voltage (V)	100	120	208	230	240
Frequency (Hz)	60	60	60	50	50
Current (A)	5.98	5.01	2.81	2.55	2.48
Apparent Power (VA)	598	601	584	587	595
Power Factor	0.99	0.99	0.98	0.98	0.98
Real Power (W)	592	595	573	575	583
Thermal Dissipation (BTU/Hr)	2020	2031	1954	1961	1990

FXT 6400 power at room temperature (22° C, 71.6° F)	100 V, 60 Hz	120 V, 60 Hz	208 V, 60 Hz	230 V, 50 Hz	240 V, 50 Hz
Voltage (V)	100	120	208	230	240
Frequency (Hz)	60	60	60	50	50
Current (A)	4.63	3.86	2.24	2.04	1.94
Apparent Power (VA)	463	463	466	469	466
Power Factor	0.99	0.99	0.98	0.98	0.98
Real Power (W)	458	459	457	460	456
Thermal Dissipation (BTU/Hr)	1564	1565	1558	1569	1557

FXT 6400 power at maximum fan speeds	100 V, 60 Hz	120 V, 60 Hz	208 V, 60 Hz	230 V, 50 Hz	240 V, 50 Hz
Voltage (V)	100	120	208	230	240
Frequency (Hz)	60	60	60	50	50
Current (A)	5.15	4.28	2.48	2.28	2.13
Apparent Power (VA)	515	514	516	524	511
Power Factor	0.99	0.99	0.98	0.98	0.98
Real Power (W)	510	508	506	514	501
Thermal Dissipation (BTU/Hr)	1740	1735	1725	1753	1709

Environmental requirements

This section gives specifications for the hardware's ambient environment.

Temperature and humidity

Environmental attribute	Operating range	Non-operating range
Ambient temperature range	10°C to 35°C (50 - 86°F)	-40°C to 65°C (-40 - 149°F)
Ambient relative humidity	10% - 80% non-condensing	5% - 95% non-condensing
Maximum dew point	29°C (84°F)	33°C (91°F)
Altitude	up to 3048 meters (10,000 feet), subject to temperature de-rating noted below	up to 12,000 meters (39,370 feet)

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Altitude temperature de-rating: Maximum temperature is reduced by 1°C/300 m (1°F/547 ft) above 950 m (3,117 ft).

Airflow, shock, and vibration

Attribute	Specification
Airflow	System airflow is front to rear. System must be operated with a low-pressure rear exhaust installation.
Shock, operational	6 G for 11 milliseconds (tested in 6 orientations)
Shock, non-operational	71 G for 2 milliseconds (tested in 6 orientations)
Vibration, operational	0.26 GRMS 5 Hz to 350 Hz random
Vibration, non-operational	1.88 GRMS 10 Hz to 500 Hz for 15 minutes (all six sides tested)

Safety regulation compliance

Azure FXT Edge Filer complies with the listed regulations.

Category	Regulatory specification
General safety	EN 60950-1:2006 +A1:2010 +A2:2013 +A11:2009 +A12:2011/IEC 60950-1:2005 ed2 +A1:2009 +A2:2013 EN 62311:2008
EMC	FCC A, ICES-003 EN 55032:2012/CISPR 32:2012 EN 55032:2015/CISPR 32:2015 EN 55024:2010 +A1:2015/CISPR 24:2010 +A1:2015 EN 61000-3-2:2014/IEC 61000-3-2:2014 (Class D) EN 61000-3-3:2013/IEC 61000-3-3:2013
Energy	Commission Regulation (EU) No. 617/2013
RoHS	EN 50581:2012