Dell Latitude 5520 15.6" Business Laptop i5-1145G7 8GB 256GB SSD LTE Win 11 Pro

Key Benefits

• 11th Gen Intel i5-1145G7: Tiger Lake quad-core with Intel Iris Xe graphics — faster than 10th Gen for office tasks, video calls, and light content work.
• Built-in 4G LTE: Insert a SIM card and work anywhere without Wi-Fi — ideal for remote workers, site visits, and mobile professionals.
• Thunderbolt 4: 40Gbps connectivity for ultra-fast peripherals, single-cable docking, and driving external 4K monitors.
• Fast NVMe SSD: 256GB PCIe SSD boots Windows in under 15 seconds and opens applications near-instantly.
• Wi-Fi 6 + Bluetooth: Stable, fast wireless for congested office networks and modern peripherals.
• BIOS Locked — Please Note: Boots Windows 11 Pro normally but BIOS settings cannot be accessed or changed. Not suitable for OS reinstallation — see FAQ below.

Performance in Use

The i5-1145G7 is Intel's 11th Gen Tiger Lake chip — a meaningful step forward from the 10th Gen U-series. Four cores, eight threads, and a boost to 4.4GHz paired with Intel Iris Xe graphics handles multitasking, video conferencing, and light content work comfortably. The faster LPDDR4x memory bandwidth makes Iris Xe noticeably more capable for display-intensive work than 10th Gen integrated graphics.

Where the 5520 stands out is connectivity. Built-in 4G LTE means you're not hunting for Wi-Fi on site visits — insert a SIM, connect instantly. Thunderbolt 4 gives you 40Gbps bandwidth for fast external drives, dual 4K monitor support, and full single-cable docking. At approximately 1.6kg, this is lightweight for a 15.6" laptop with a full-size keyboard, 1920×1080 IPS anti-glare display, and complete port selection — HDMI, USB-A, USB-C, Ethernet, and SIM tray.

This unit is best suited to users who will use it as delivered: boot into Windows 11 Pro and get to work. The BIOS is password locked and cannot be accessed, which means it cannot be reimaged, dual-booted, or reconfigured at the firmware level. For standard business and personal use, this is entirely invisible — the laptop works completely normally.

Tech Specs

Component	Specification
Processor	Intel Core i5-1145G7 (11th Gen, 4C/8T, 2.6GHz base, 4.4GHz Turbo)
Memory	8GB LPDDR4x
Storage	256GB NVMe SSD (M.2 PCIe)
Display	15.6" Full HD (1920×1080) IPS anti-glare, non-touch
Graphics	Intel Iris Xe Graphics (integrated)
Operating System	Windows 11 Pro (pre-installed, activated)
Wireless	Wi-Fi 6 (802.11ax), Bluetooth 5.0
Mobile Broadband	Built-in 4G LTE (nano SIM card slot)
Ports	Thunderbolt 4 (USB-C), 2× USB-A 3.2, HDMI 1.4, Ethernet (RJ-45), 3.5mm audio, SIM tray
Security	TPM 2.0, Smart card reader, Windows Hello, Privacy camera shutter
Battery	4-cell 54WHr lithium-ion
Weight	Approx. 1.6kg
BIOS Status	BIOS supervisor password locked — boots Windows normally; boot settings cannot be changed
Warranty	12-month Reboot IT comprehensive warranty

Is It Right for You?

✓ Best For	✗ Not For
• Mobile professionals needing 4G LTE away from Wi-Fi • Office and remote workers on Microsoft 365 or Teams • Users wanting Thunderbolt 4 for docking or 4K monitors • Small business users who need a working laptop out of the box • Anyone happy using pre-installed Windows 11 Pro	• Users who need to reinstall or change the operating system • IT departments that reimage machines before deployment • Anyone who needs to change BIOS settings or boot from USB • Gamers needing a dedicated GPU • Users requiring a touchscreen

Condition Grades

A – EXCELLENT Minimal signs of previous use. No visible scratches on screen or housing. All ports, keys, and functions work perfectly. Battery health 70%+ of original capacity.

B – GOOD Light cosmetic wear — minor scratches or scuffs on housing. Screen clear. All functions fully operational. Battery health 50–70% of original capacity. 30-day battery warranty applies.

FAQ

Can I reinstall Windows or change the boot order?

No. This unit has a BIOS supervisor password that cannot be removed. The laptop boots directly into Windows 11 Pro and operates normally, but the BIOS cannot be accessed or changed. You cannot boot from USB, alter the boot order, or reinstall the OS. If this is a requirement, this unit is not suitable for you.

Does it ship free?

Yes — free standard AU shipping is included. Dispatched from our Melbourne warehouse within 1 business day.

What does the built-in LTE do and how do I use it?

The built-in 4G LTE module lets you insert a nano SIM card into the slot on the side. Windows connects to mobile data automatically — no dongle or hotspot needed. Any Australian carrier SIM works.

What is Thunderbolt 4 used for?

Thunderbolt 4 provides 40Gbps bandwidth for fast external drives, single-cable docking stations, and driving 4K monitors directly from one cable.

How does the battery grade work?

Grade A units have battery health at 70%+ of original capacity. Grade B units are 50–70%, with a 30-day battery warranty. Grade A typically gives 5–7 hours of mixed office use.

What does the refurbishment process include?

Full hardware diagnostics, component testing, professional cleaning, and a final quality assurance check by our Melbourne team. Windows 11 Pro is pre-installed and activated. Note: the OS cannot be reinstalled due to the BIOS lock.

Is Australian support included?

Yes. All purchases include access to our Melbourne-based support team for warranty claims and troubleshooting throughout the full 12-month warranty period.