DatacenterDisk UK

Dell PowerEdge R730 Hard Drive Compatibility: Bays, Interfaces and Maximum Size

Prices checked: · Published: · Price tracking since 5 November 2026

Quick answer

The PowerEdge R730 takes SAS, SATA or nearline SAS hard drives: up to eight 3.5-inch drives, eight 2.5-inch, or sixteen 2.5-inch, depending on the chassis. Dell's 64 TB example uses eight 8 TB nearline SAS drives, but we have not found a per-drive size limit in the two Dell documents we read. Physical fit is not Dell qualification.

Dell R730 hard drive bays: which chassis you have

Dell's spec sheet describes the R730 with the Intel Xeon E5-2600 v4 product family, and the server was sold in more than one drive layout, so start with the front of it. Dell's owner's manual describes eight-drive systems that take 3.5-inch or 2.5-inch hot-swappable drives, and a sixteen-drive system that is 2.5-inch only. Dell's spec sheet puts it as up to eight 3.5-inch bays or up to sixteen 2.5-inch bays.

Feature3.5-inch chassis2.5-inch chassis
Front drive baysUp to eight 3.5-inchEight or sixteen 2.5-inch
Hard drive interfacesSAS, SATA, nearline SASSAS, SATA, nearline SAS
SSD interfacesSAS, SATASAS, SATA
Dell's maximum-storage example64 TB from eight 8 TB hot-plug nearline SAS drives29 TB from sixteen 1.8 TB hot-plug SAS drives

The manual adds one rule for the 3.5-inch chassis that catches people out: only SSDs are allowed in the drive slots at the back. A hard drive belongs in one of the up to eight hot-swappable bays on the front panel.

Every layout takes SAS, SATA or nearline SAS hard drives, according to the manual, so the chassis does not narrow the interface. What you must match is the size of your bays: 3.5-inch drives for the 3.5-inch chassis, 2.5-inch drives for either 2.5-inch build. Dell markets the server with up to sixteen 12Gbps SAS drives.

Dell R730 max hard drive size

Dell's spec sheet gives the largest internal storage for the 3.5-inch chassis as up to 64 TB, built from eight 8 TB hot-plug nearline SAS drives, and for the sixteen-bay 2.5-inch chassis as up to 29 TB, from 1.8 TB SAS drives. Those are Dell's configuration examples. We have not found a per-drive capacity ceiling in the spec sheet or the owner's manual, so 8 TB is the largest size we found in Dell's own text rather than a proven limit.

For a drive larger than 8 TB, the Dell documents we read leave the answer open. That is why the tables below are not capped at 8 TB. Before buying a set of larger drives, check that your RAID controller and its firmware recognise the capacity, ideally by trying one drive first.

3.5-inch SAS hard drives for the eight-bay R730 on Amazon.co.uk

If your R730 is the eight-bay 3.5-inch model, start here. The table holds the cheapest enterprise-class 3.5-inch SAS drives per terabyte on Amazon.co.uk, up to 24 of them, priced in pounds inc VAT. It holds 24 listings right now, the lowest at £24.75/TB.

3.5-inch SAS enterprise hard drives for an R730 on Amazon.co.uk, lowest £/TB first

Product
Part number
Capacity
Interface
Recording
£/TB inc VAT
Condition
Price (inc VAT)
Buy on Amazon
Synology HAS5300 HAS5300-8T 8 TB Hard DriveHAS5300-8T8 TBSASnot sourced£24.75/TBUsedSeller: YMISUPPLY£198.00£198.00Buy on Amazon
Synology 3.5" SAS HDD 16TBHAS5300-16T16 TBSASnot sourced£28.79/TBUsedSeller: Tech Zone£460.59£460.59Buy on Amazon
HGST HUS724030ALS640 Ultrastar 7K4000 InternalHUS724030ALS6403 TBSASnot sourced£30.00/TBUsedSeller: ServerPartsIT£89.99£89.99Buy on Amazon
Toshiba MG07SCA Series MG07SCA12TE 12TB 512e SAS Hard DriveMG07SCA12TE12 TBSASnot sourced£31.25/TBNewSeller: TeknoBits Ltd.£375.00£375.00Buy on Amazon
HGST Ultrastar 7K4000 HUS724030ALS640 Hard DriveHUS724030ALS6403 TBSASnot sourced£31.66/TBUsedSeller: ServerPartsIT£94.99£94.99Buy on Amazon
Synology 3.5' SAS HDD 8TBHAS5300-8T8 TBSASnot sourced£34.75/TBUsedSeller: YMISUPPLY£278.00£278.00Buy on Amazon
Seagate Exos X10 Enterprise Hard Drive ST10000NM0096 10 TBST10000NM009610 TBSASnot sourced£35.75/TBNewSeller: Miragetek IT Store£357.54£357.54Buy on Amazon
WESTERN DIGITAL ULTRASTAR DC HC310 HUS726T6TAL5204 3.5" 6000 GB SAS Black0B360476 TBSASnot sourced£36.48/TBNewSeller: 88 TECH co uk£218.90£218.90Buy on Amazon
Seagate Enterprise Exos X16 3.5" 10000GB SASST10000NM002G10 TBSASnot sourced£36.67/TBNewSeller: Miragetek IT Store£366.65£366.65Buy on Amazon
Toshiba MG10SFA22TE 22TB Enterprise Internal Hard DriveMG10SFA22TE22 TBSASnot sourced£37.27/TBNewSeller: PCBOOST£819.99£819.99Buy on Amazon
HGST ULTRASTAR HE8 8TB 3.5IN HUH728080AL5200 SAS ULTRAHUH728080AL52008 TBSASnot sourced£37.50/TBUsedSeller: ServerPartsIT£299.99£299.99Buy on Amazon
Synology HAS5300 12TBHAS5300-12T12 TBSASnot sourced£37.90/TBNewSeller: cønrad£454.85£454.85Buy on Amazon
Toshiba 22TB Enterprise SAS Internal Hard DriveMG10SFA22TE22 TBSASnot sourced£39.55/TBNewSeller: PCBOOST£869.99£869.99Buy on Amazon
Western Digital Ultrastar DC HC550 18 TB Hard Drive0F3835318 TBSASnot sourced£40.00/TBNewSeller: LiquidationBargains£720.00£720.00Buy on Amazon
Seagate ST4000NM0025ST4000NM00254 TBSASnot sourced£40.84/TBNewSeller: 88 TECH co uk£163.35£163.35Buy on Amazon
Toshiba MG09 3.5" 18000 GB SASMG09SCA18TE18 TBSASnot sourced£41.39/TBNewSeller: 88 TECH co uk£745.00£745.00Buy on Amazon
MG09SCA18TE 18TB Toshiba SAS 512MB 3.5 Inch 7200 RPM Enterprise HDD for Dell...MG09SCA18TE18 TBSASnot sourced£41.39/TBNewSeller: 88 TECH co uk£745.00£745.00Buy on Amazon
HGST 0B360470B360476 TBSASnot sourced£43.08/TBNewSeller: 88 TECH co uk£258.50£258.50Buy on Amazon
Toshiba MG11 24 TBMG11SCA24TE24 TBSASnot sourced£44.16/TBNewSeller: Aimact Ltd£1,059.91£1,059.91Buy on Amazon
MG07SCA14TE 14TB Toshiba SAS 256MB 3.5 Inch 7200 RPM Enterprise HDD for Dell...MG07SCA14TE14 TBSASnot sourced£44.80/TBNewSeller: YUMEZ£627.23£627.23Buy on Amazon
Seagate Exos 7E8 ST4000NM0095ST4000NM00954 TBSASnot sourced£45.00/TBUsedSeller: ServerPartsIT£179.99£179.99Buy on Amazon
HGST Ultrastar 7 K6000 4TB HDD 7200RPM SAS 128MB Cache 24x7 Internal 8.9 cm/...HUS726040ALS2104 TBSASnot sourced£46.15/TBUsedSeller: SIMPLETEK-L'elettronica-low-cost£184.60£184.60Buy on Amazon
Seagate Exos X16ST6000NM00956 TBSASnot sourced£48.17/TBNewSeller: HYT GLOBAL£289.00£289.00Buy on Amazon
HGST Ultrastar 7K4000 4TB 3.5" 7200 RPM SAS 64MB Cache Internal Enterprise H...HUS724040ALS6404 TBSASnot sourced£48.80/TBNewSeller: BRIGHTNESS ONLINE£195.18£195.18Buy on Amazon

n/s = we could not read that value from the listing. Prices are in pounds sterling and include VAT.

A drive appears here because its listing records 3.5-inch SAS, the physical match for the R730's large bays, not because Dell supports it. New and used offers sit side by side, each marked. Where the Recording column is filled, a maker document names that exact part number; where it is blank, we hold no such document.

3.5-inch SATA enterprise drives for the R730

Dell's manual lists SATA alongside SAS for every layout, so an eight-bay 3.5-inch R730 can also run SATA drives. This table gives up to 24 enterprise-class 3.5-inch SATA drives, cheapest per terabyte first. It holds 24 listings right now, the lowest at £20.49/TB. Our SAS vs SATA comparison covers what changes between the two interfaces.

3.5-inch SATA enterprise hard drives for an R730 on Amazon.co.uk, lowest £/TB first

Product
Part number
Capacity
Interface
Recording
£/TB inc VAT
Condition
Price (inc VAT)
Buy on Amazon
Seagate Exos ST26000NM000C 26TB Internal Hard Driven/s26 TBSATAnot sourced£20.49/TBUsedSeller: XINU GmbH£532.81£532.81Buy on Amazon
HGST Ultrastar 6Tb 6144Gb Serial Ata Internal Hard DriveHUS726060ALE6106 TBSATAnot sourced£22.50/TBUsedSeller: smart sm solutions£135.00£135.00Buy on Amazon
HGST HUS726060ALE610 Ultrastar 7K6000 6000 GB InternalHUS726060ALE6106 TBSATAnot sourced£22.50/TBUsedSeller: smart sm solutions£135.00£135.00Buy on Amazon
Seagate Exos 28TB internal server hard drive ST28000NM000C 3.5" HDD SATA 720...ST28000NM000C28 TBSATAnot sourced£22.73/TBUsedSeller: Amazon EU£636.36£636.36Buy on Amazon
Toshiba MG Series 16TB internal server hard drive MG08ACA16TE 3.5" HDD SATA...MG08ACA16TE16 TBSATAnot sourced£23.04/TBNewSeller: Amazon Global Store£368.59£368.59Buy on Amazon
Toshiba 14TB SATA 512e 256MB Cache 7200RPM 3.5" SATA Enterprise Hard DriveMG07ACA14TE14 TBSATAnot sourced£23.08/TBUsedSeller: Amazon Global Store£323.15£323.15Buy on Amazon
HGST HGST Ultrastar He6 6TB 3.5in SATA 7200 RPM Enterprise Internal Hard Driv...HUS726060ALA6406 TBSATAnot sourced£25.55/TBUsedSeller: Amazon Global Store£153.28£153.28Buy on Amazon
Seagate Exos X22 22 TBST22000NM000C22 TBSATAnot sourced£25.60/TBUsedSeller: XINU GmbH£563.17£563.17Buy on Amazon
Hitachi HGST WD Ultrastar DC HC510 10TB 7200RPM SATA 3.5-inch SED Hard DriveHUH721010ALE60110 TBSATAnot sourced£25.64/TBUsedSeller: Amazon Global Store£256.42£256.42Buy on Amazon
Seagate Exos X24 24 TBST24000NM000C24 TBSATAnot sourced£26.01/TBUsedSeller: Amazon EU£624.18£624.18Buy on Amazon
HGST WD Ultrastar DC HC520 Hard DriveHUH721212ALE60112 TBSATAnot sourced£26.02/TBUsedSeller: Amazon Global Store£312.21£312.21Buy on Amazon
HGST Ultrastar He10HUH721010ALE60010 TBSATAnot sourced£26.07/TBNewSeller: Amazon Global Store£260.69£260.69Buy on Amazon
HGST Ultrastar He12HUH721212ALE60112 TBSATAnot sourced£26.26/TBNewSeller: Amazon Global Store£315.13£315.13Buy on Amazon
HGST HUS726060ALA640 Ultrastar He6HUS726060ALA6406 TBSATAnot sourced£27.06/TBUsedSeller: Amazon Global Store£162.36£162.36Buy on Amazon
Seagate Exos X22 22TB internal hard drive ST22000NM001E 3.5" HDD SATA3 512MBST22000NM001E22 TBSATAnot sourced£27.98/TBUsedSeller: Amazon EU£615.65£615.65Buy on Amazon
Seagate Technology Exos X20ST20000NM007D20 TBSATAnot sourced£29.57/TBUsedSeller: Amazon EU£591.39£591.39Buy on Amazon
HGST Ultrastar 7K6000 HUS726060ALE610HUS726060ALE6106 TBSATAnot sourced£29.84/TBUsedSeller: Amazon Global Store£179.06£179.06Buy on Amazon
Western Digital Ultrastar DC HC5300F3128414 TBSATAnot sourced£32.50/TBNewSeller: Componix Global£455.00£455.00Buy on Amazon
Western Digital Ultrastar DC HC3100B360396 TBSATAnot sourced£33.00/TBUsedSeller: KAH Technologies Ltd£198.00£198.00Buy on Amazon
Seagate Exos X18 Enterprise ClassST18000NM000J18 TBSATAnot sourced£34.39/TBNewSeller: Primebridge£619.00£619.00Buy on Amazon
Seagate Exos X16 16 TBST16000NM001G16 TBSATAnot sourced£34.69/TBUsedSeller: Componix Global£555.00£555.00Buy on Amazon
Seagate Exos X18 Enterprise 16TB CMR 3.5" Hyperscale SATA Hard Drive Model Nu...ST16000NM000J16 TBSATAnot sourced£35.31/TBUsedSeller: Componix Global£565.00£565.00Buy on Amazon
Western Digital Ultrastar DC HC520HUH721212ALE60412 TBSATAnot sourced£35.83/TBNewSeller: NeMo Laptops£429.99£429.99Buy on Amazon
Seagate Exos 26TB Enterprise ST26000NM000C 3.5 Inch SATA 6Gbps Cache 512MB Ca...ST26000NM000C26 TBSATAnot sourced£36.20/TBUsedSeller: Solution 4YOU£941.12£941.12Buy on Amazon

n/s = we could not read that value from the listing. Prices are in pounds sterling and include VAT.

2.5-inch SAS drives for the eight and sixteen-bay R730

The eight-bay 2.5-inch build and the sixteen-bay chassis both take smaller drives, and Dell's own example for the sixteen-bay chassis uses 1.8 TB SAS drives. This table lists up to 24 enterprise-class 2.5-inch SAS hard drives on Amazon.co.uk. It holds 21 listings right now.

2.5-inch SAS enterprise hard drives for an R730 on Amazon.co.uk, lowest £/TB first

Product
Part number
Capacity
Interface
Recording
£/TB inc VAT
Condition
Price (inc VAT)
Buy on Amazon
Seagate Exos 7E2000 HDD 2.5 1TB SAS 7.2K 128MBST1000NX03731 TBSASnot sourced£64.32/TBNewSeller: YUMEZ£64.32£64.32Buy on Amazon
Seagate Enterprise Performance 10K HDD ST600MM0006 600 GB Internal Hard DriveST600MM00060.6 TBSASnot sourced£65.08/TBNewSeller: 88 TECH co uk£39.05£39.05Buy on Amazon
Seagate Savvio 10K.6 600GB 600GB SAS Hard DriveST600MM00060.6 TBSASnot sourced£71.77/TBNewSeller: 88 TECH co uk£43.06£43.06Buy on Amazon
Seagate Enterprise Performance 10K.9 1200GB SAS Hard DriveST1200MM00091.2 TBSASnot sourced£87.50/TBNewSeller: Tech Genious Ltd£105.00£105.00Buy on Amazon
Seagate Enterprise Performance 0.9 TBST9900805SS0.9 TBSASnot sourced£92.77/TBNewSeller: HYT GLOBAL£83.49£83.49Buy on Amazon
Seagate Exos 10E2400 ST1200MM0009ST1200MM00091.2 TBSASnot sourced£100.00/TBNewSeller: Tech Genious Ltd£120.00£120.00Buy on Amazon
Seagate Exos 1.2TB SAS10K 512n 128MBST1200MM00091.2 TBSASnot sourced£100.00/TBNewSeller: Tech Genious Ltd£120.00£120.00Buy on Amazon
Seagate Exos 10E2400 ST1200MM0129 1.2TBST1200MM01291.2 TBSASnot sourced£148.50/TBNewSeller: 88 TECH co uk£178.20£178.20Buy on Amazon
Seagate Exos 7E2000 ST1000NX0453ST1000NX04531 TBSASnot sourced£175.00/TBNewSeller: smart sm solutions£175.00£175.00Buy on Amazon
Seagate Exos 600GB SAS10K 512n 128MbSGT-ST600MM00090.6 TBSASnot sourced£236.57/TBNewSeller: 88 TECH co uk£141.94£141.94Buy on Amazon
Seagate Savvio 10K.5 ST9300605SS Internal Hard Drive 300 GB /ST9300605SS0.3 TBSASnot sourced£236.67/TBNewSeller: SURPLUSDRIVESUK LTD£71.00£71.00Buy on Amazon
Seagate Exos 15E900 ST600MP0006ST600MP00060.6 TBSASnot sourced£270.00/TBNewSeller: Tech Genious Ltd£162.00£162.00Buy on Amazon
Seagate Enterprise Performance 15K HDD ST600MP0005 600 GB Internal Hard DriveST600MP00050.6 TBSASnot sourced£291.67/TBNewSeller: smart sm solutions£175.00£175.00Buy on Amazon
Seagate Enterprise Performance 10K HDD ST300MM0006 300 GB Internal Hard DriveST300MM00060.3 TBSASnot sourced£310.83/TBNewSeller: SURPLUSDRIVESUK LTD£93.25£93.25Buy on Amazon
Seagate Savvio 300GB SAS 300GB SAS Hard DriveST9300653SS0.3 TBSASnot sourced£316.67/TBNewSeller: SURPLUSDRIVESUK LTD£95.00£95.00Buy on Amazon
Seagate Enterprise Performance 15K HDD ST300MP0005 300 GB Internal Hard DriveST300MP00050.3 TBSASnot sourced£316.97/TBNewSeller: 88 TECH co uk£95.09£95.09Buy on Amazon
Seagate Exos 300GB E-Class Mission Critical 2.5"" 10K SAS Hard DriveST300MM00480.3 TBSASnot sourced£352.87/TBNewSeller: 88 TECH co uk£105.86£105.86Buy on Amazon
Seagate Exos 15E900 ST600MP0136ST600MP01360.6 TBSASnot sourced£391.67/TBNewSeller: LOGICFIX LTD£235.00£235.00Buy on Amazon
Seagate Exos 15E900 ST600MP0136 600GB Internal 2.5" SFF SAS 15000rpm 256MB B...ST600MP01360.6 TBSASnot sourced£410.92/TBNewSeller: 88 TECH co uk£246.55£246.55Buy on Amazon
Seagate Exos 15E900 ST300MP0006ST300MP00060.3 TBSASnot sourced£414.00/TBNewSeller: 88 TECH co uk£124.20£124.20Buy on Amazon
Seagate Enterprise Performance 15 K 900GB HDD 4 K native/512 Emulation 15000R...ST900MP01460.9 TBSASnot sourced£420.27/TBNewSeller: 88 TECH co uk£378.24£378.24Buy on Amazon

n/s = we could not read that value from the listing. Prices are in pounds sterling and include VAT.

At these capacities, compare the total price as well as the figure per terabyte, because the table sorts by the latter. If you are filling sixteen bays, the total for the whole set is the number that counts.

Installing a drive in an R730: carriers and hot swap

Drives go into the R730 in hard drive carriers. The step in Dell's owner's manual is to insert the carrier into the slot until it connects with the backplane. The bays in both the eight-drive and the sixteen-drive systems are hot-swappable, according to the manual.

The tables on this page list drives, so check whether a listing includes a carrier. Our used server hard drives page covers buying drives that have already been in service.

Dell R730 supported hard drives: fit versus qualification

A drive can match the bay, the connector and the interface and still not be one Dell supplied. We have not found a statement in Dell's R730 spec sheet or owner's manual about drives bought elsewhere, either allowing or refusing them. So there are two questions. Does it fit? This page answers that from Dell's documents. Is it qualified for your configuration? Only Dell or the seller of your server can answer that.

For the R740, see our PowerEdge R740 drives page, and for Dell servers more widely, Dell PowerEdge hard drives. Server hard drives compares drive classes for any rack server.

Frequently asked questions

Can a Dell R730 take hard drives larger than 8 TB?

We have not found an answer in the Dell documents we read. They use 8 TB drives in the 64 TB example for the 3.5-inch chassis, and we found no per-drive ceiling in them, so try one larger drive with your controller before buying a set.

Can I fit a hard drive in the rear slots of a 3.5-inch R730?

No. Dell's owner's manual allows only SSDs in the drive slots at the back of the 3.5-inch chassis.

Does the R730 take SATA hard drives?

Yes. Dell's manual says the PowerEdge R730 supports SAS, SATA or nearline SAS hard drives, and the spec sheet lists SATA for both chassis sizes.

Do 3.5-inch drives fit the sixteen-bay R730?

No. The manual describes the sixteen-drive system as taking 2.5-inch drives only.

Sources

  1. Dell: PowerEdge R730 Spec Sheet, accessed 9 November 2026
  2. Dell: PowerEdge R730 and R730xd Owner's Manual, accessed 9 November 2026