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Dell Inspiron 15 3000 Series 3505

Processor:

Cosmetic Condition:

Functionality:

Charger Included?

The Dell Inspiron 15 3000 Series 3505 is a 2020 budget laptop built around AMD's Ryzen 3000-series mobile chips, aimed at students and everyday users who wanted a full-size 15.6-inch screen without paying for a premium chassis. It sits in Dell's value tier, but the AMD configurations hold up well secondhand because the integrated Vega graphics still outperform the Intel-based Inspirons from the same generation in everyday use. If you have one sitting in a drawer, pick your processor and condition above for an instant cash offer, and see how the process works before you box it up. You can also compare it against current listings if you plan to sell your laptop instead of holding onto it.

Confirm you have the Inspiron 15 3505

The fastest way to confirm your exact build is through Windows. Press the Windows key + R, type msinfo32, and press Enter. The System Model field will read "Inspiron 3505," and the Processor line will show whether you have a Ryzen 5 or Ryzen 7 chip. The Dell Service Tag, printed on a sticker on the underside of the base, also confirms the model if you enter it at Dell's support site.

Inspiron 3505

  • System Model reads "Inspiron 3505" in msinfo32 or dxdiag
  • Service Tag sticker on the base panel
  • AMD Ryzen 5 or Ryzen 7 listed under Processor

Prefer a visual check? The 3505 has a plain gray or black plastic lid with no backlit keyboard option, a chiclet keyboard with a numeric pad, and a power button integrated into the top row rather than a separate fingerprint key.

Core hardware configurations

Processor

  • AMD Ryzen 5 (3000 series mobile, 4 cores)
  • AMD Ryzen 7 (3000 series mobile, 4 cores, higher boost clock)

Graphics

  • Integrated AMD Radeon Vega graphics, shared with system memory
  • No discrete GPU option on this model

Memory

  • DDR4 memory in a single accessible SODIMM slot
  • User-upgradable behind the bottom panel

Storage

  • Single 2.5-inch SATA drive or M.2 SATA SSD bay
  • Storage type (HDD vs SSD) is the biggest swing factor in resale value on this model

Display & audio

Display

15.6-inch anti-glare panel, offered in HD or Full HD resolution depending on original configuration. Non-touch, with narrow bottom bezel and a standard matte finish.

Audio

Stereo speakers with Waves MaxxAudio Pro tuning, sufficient for calls and casual media playback but limited on bass response.

Ports & connectivity

The 3505 keeps a full legacy port set, including a wired Ethernet jack, which is unusual on laptops from this era and useful for anyone testing the unit before sale.

Left side
  • AC power in
  • Ethernet (RJ45)
  • HDMI
  • USB 3.2 Gen 1 (Type-A)
Right side
  • USB 2.0 (Type-A)
  • SD card reader
  • Headphone/microphone combo jack
  • Noble lock slot

AMD Ryzen mobile Radeon Vega graphics Ethernet port HDMI out SD reader Upgradable RAM slot

Battery, build & more

Battery

3-cell internal battery, not user-removable without opening the chassis. Expect a working unit to hold a partial charge after several years of use.

Finishes

Plastic chassis in a single gray or black finish, no aluminum or premium trim options at this tier.

Software

Shipped with Windows 10 Home, upgradable to Windows 11 if the specific processor and TPM configuration meet Microsoft's requirements.

Market positioning

An entry-level workhorse rather than a collector's machine. Value comes from a working screen, a healthy battery, and an SSD rather than any AMD chip variant.

Frequently asked questions

01 How do I find the model number or exact configuration?
Press Windows key + R, type msinfo32, and press Enter. The System Model field will confirm "Inspiron 3505," and the Processor field shows whether you have the Ryzen 5 or Ryzen 7 build. You can also check the Service Tag sticker on the bottom panel and look it up on Dell's support site for the original shipped configuration, including RAM and storage size. If Windows no longer boots, the Service Tag sticker alone is enough to identify the model for a quote.
02 How do I tell it apart from the Intel-based Inspiron 3501?
Check the processor field in msinfo32. The 3501 and 3502 use the same chassis as the 3505 but run Intel Core i3 or i5 chips instead of AMD Ryzen. The exterior, port layout, and keyboard are nearly identical across both, so the badge on the lid or a quick specs check is the only reliable way to tell them apart. AMD-based units also skip Intel's Thunderbolt or Iris graphics branding entirely.
03 Can I sell it with damage, like a cracked screen or a weak battery?
Yes. Cracked screens, failing batteries, and units that no longer power on can still be sold, and the condition picker above adjusts the quote for exactly this kind of damage. Before shipping, remove any Windows lock screen or Microsoft account sign-in so the laptop can be wiped and tested properly. A device still logged into someone else's Microsoft account cannot be resold and will affect the offer.
04 What raises the trade-in value the most?
An SSD instead of the original HDD makes the biggest difference, followed by a battery that still holds a real charge and a screen free of dead pixels or cracks. The Ryzen 7 configuration generally commands a bit more than Ryzen 5, but working condition matters more than which processor is inside. Keeping the original charger included also helps, since replacements are common but add friction for the next owner.
05 How do I erase it and remove my accounts, and how do I get paid?
Go to Settings → System → Recovery → Reset this PC and choose "Remove everything" to wipe the drive. Before that, sign out of and remove the device from your Microsoft account under Settings → Accounts, and if BitLocker is enabled, suspend it so the reset completes cleanly. Once the reset finishes, the laptop is ready to ship. Shipping is free and insured, and payment goes out after testing by PayPal, Venmo, Zelle, CashApp, or check. Full steps are on the data erasure protocols page.