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HP Pro Tower 400 G9 PCI

HP · PCs/Workstations

HP Pro Tower 400 G9 PCI price in United Kingdom

MPN 99N00ETMPN 6U4Y1EA#ABFMPN 99P28ET#ABFEAN 821844124024EAN 199642107373

  • ProcessorIntel® Core™ i7
  • Memory16 GB
  • Storage512 GB
  • GraphicsNot available

Lowest price incl. delivery

£1,068.99

at Back to the OfficeFree deliveryIn stock

  • 1 store
  • Range £1,068.99 – £1,238.99
  • Save up to £170.00 vs. the dearest store
  • 1 in stock
  • 1 with free delivery
  • Checked 6 Oct 2026, 05:40 UTC

Ad · prices and stock as last reported by the store; the store's checkout is what counts.

Full specifications and side-by-side comparison

Prices in United Kingdom

1 store · prices in GBP · updated 6 Oct 2026, 05:40 UTC

Lowest price£1,068.99at Back to the Office · free shippingGo to Back to the Office (opens in a new tab)
Price range across 3 offers

Save up to £170.00 (14%) by choosing the cheapest store

  • 1 of 1 stores in stock
  • 1 with free shipping
  • Checked 6 Oct 2026, 05:40 UTC

  1. Back to the OfficeLowest priceHP Pro Tower 400 G9 PCI Intel® Core™ i5 i5-13500 16 GB DDR4-SDRAM 512 GB SSD Windows 11 Pro PC Black In stockFree shipping
    £1,068.99incl. free shipping
    Go to store : Back to the Office (opens in a new tab)
  2. Back to the OfficeHP Pro Tower 400 G9 PCI Intel® Core™ i5 i5-13500 16 GB DDR4-SDRAM 1 TB SSD Windows 11 Pro PC Black In stockFree shipping
    £1,098.99incl. free shipping+£30.00 (3%) vs lowest
    Go to store : Back to the Office (opens in a new tab)
  3. Back to the OfficeHP Pro Tower 400 G9 PCI Intel® Core™ i7 i7-13700 16 GB DDR4-SDRAM 512 GB SSD Windows 11 Pro PC Black In stockFree shipping
    £1,238.99incl. free shipping+£170.00 (16%) vs lowest
    Go to store : Back to the Office (opens in a new tab)

Ad: we may earn a commission when you buy through these links; it never changes the order, which is by total price only. Prices and stock are shown as each store states them, as of 6 Oct 2026, 05:40 UTC, and can change at any time. Taxes are included only where the store includes them.

Price history in United Kingdom

Price history is being collected. After 14 days of prices we will show whether today's price is good.

Best price · Back to the Office£1,068.99
Go to store

Product details

Identification

Brand
HP
Product
Pro Tower 400 G9 PCI
Full name
HP Pro Tower 400 G9 PCI Intel® Core™ i7 i7-13700 16 GB DDR4-SDRAM 512 GB SSD Windows 11 Pro PC Black
Manufacturer part number
99N00ET, 6U4Y1EA#ABF, 99P28ET#ABF, 99P42ET#ABF, C6TQ0ET, 99N01ET, 99Q94ET, CD7M1AT, CJ1E3AT, B8PV1PP, D37BSAT, D65F9EA, D6NP7AT, D65JKET, D6NG8EA, D4VT0ET, D6NH0EA, D4VR0ET, D75H3ET#ABF, D75H4ET#ABF, 99P27ET#ABF, 99P74ET#ABF, 6A854EA, 6U3L4EA, 6U3M2EA, 6U3P9EA, 6U3U5EA, 6U456EA, 6U464EA, 6U499EA, 6U4A0EA, 6U426EA, 6U431EA, 6U434EA, 6U4T6EA, 6U4T7EA, 6U4T8EA, 6U4T9EA, 6U4U0EA, 99P35ET
EAN / UPC
821844124024, 199642107373, 199642107397, 198828719638, 198828719669, 199642073982, 821844034637, 821844034644

99 specifications from the manufacturer's data sheet

Processor

Processor manufacturerIntel
Processor familyIntel® Core™ i7
Processor generation13th gen Intel® Core™ i7
Processor modeli7-13700
Processor cores16
Processor threads24
Processor boost frequency5.2 GHz
Performance cores8
Efficient cores8
Performance-core Max Turbo Frequency5.1 GHz
Efficient-core Max Turbo Frequency4.1 GHz
Performance-core base frequency2.1 GHz
Efficient-core base frequency1.5 GHz
Processor cache30 MB
Processor cache typeL3
Maximum turbo power219 W
Processor base power65 W

Memory

Internal memory16 GB
Maximum internal memory16 GB
Internal memory typeDDR4-SDRAM
Memory layout (slots x size)1 x 16 GB
Memory slots2x DIMM
Memory clock speed3200 MHz
ECCNo
Non-ECCYes

Storage

Total storage capacity512 GB
Optical drive typeDVD±RW
Storage mediaSSD
Number of storage drives installed1
Total SSDs capacity512 GB
Number of SSDs installed1
SSD capacity512 GB
NVMeYes
SSD interfacePCI Express

Graphics

Discrete graphics cardNo
On-board graphics cardYes
Discrete graphics card modelNot available
On-board GPU manufacturerIntel
On-board graphics card familyIntel® UHD Graphics
On-board graphics card modelIntel UHD Graphics 770

Performance

Product typePC
Market positioningProven productivity
Motherboard chipsetIntel Q670
Password protectionYes
Password protection typeBIOS, Power on
Trusted Platform Module (TPM)Yes
Trusted Platform Module (TPM) version2.0

Network

Ethernet LANYes
Ethernet LAN data rates10,1000,100 Mbit/s
Wi-FiNo

Ports & interfaces

USB 2.0 ports quantity2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity3
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity3
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
Thunderbolt 3 ports quantity0
DisplayPorts quantity1
DisplayPort version1.4
HDMI ports quantity1
HDMI version1.4
Ethernet LAN (RJ-45) ports1
Combo headphone/mic portYes
Line-outYes
Microphone inYes

Expansion slots

Number of 3.5" bays2
PCI Express x1 slots1
PCI Express x16 (Gen 4.x) slots1
PCI slots1

Power

Power supply260 W
Power supply input voltage100 - 240 V
Power supply input frequency50 - 60 Hz

Design

Chassis typeTower
Colour nameJack black
Product colourBlack
Introduction year2023
Country of originCzech Republic

Software

Operating system installedWindows 11 Pro

Display

Display includedNo

Processor special features

Intel® Turbo Boost TechnologyYes

Brand-specific features

HP Support AssistantYes
HP Security toolsTrusted Platform Module TPM 2.0 Embedded Security Chip shipped with Windows 10 (Common Criteria EAL4+ Certified)(FIPS 140-2 Level 2 Certified); HP Secure Erase; HP Sure Click; Absolute Persistence module; HP Sure Admin; HP Tamper Lock; HP Sure Start Gen7; HP Sure Sense2; HP Platform Certificate On D
HP segmentBusiness

Audio

Audio chipRealtek ALC3252

Operational conditions

Operating temperature (T-T)10 - 35 °C
Operating relative humidity (H-H)10 - 90%

Weight & dimensions

Width155 mm
Depth308 mm
Height155 mm
Weight5.31 kg

Packaging data

Package width400 mm
Package depth287 mm
Package height499 mm
Package weight8.4 kg

Packaging content

Mouse includedYes
Keyboard includedYes
Numeric keypadNo
Input device modelHP 125 Wired Mouse

Sustainability

Sustainability certificatesENERGY STAR, EPEAT, TCO

Keyboard

Keyboard connectivityWired

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