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Corsair CMS04GX4M1A2133C15 Valueselect 4GB (1 X 4GB) So-Dimm 260-Pin SDRAM DDR4 2133 Notebook Memory

Corsair CMS04GX4M1A2133C15 Valueselect 4GB (1 X 4GB) So-Dimm 260-Pin SDRAM DDR4 2133 Notebook Memory

R799.00   R846.00

I recently did my 1st watercooling build. Landmark Computers assisted me every step of the way. ALL ...

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Amiel Spreeth     
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Social Responsibility
Zero Paper Policy

In the age of electronic storage it's hard to imagine that many more trees are being cut down in our forests for the production of paper. The Amazon forest for example once covered 14% of the Earth's surface but today due to exploitation and the need for more timber it now only covers 6% of that space. Experts believe that at the current rate the remaining forest will be consumed in less than 40 years and many species of plants and animals will be wiped out.

In our effort to go green we have introduced a Zero Paper Policy whereby we commit ourselves to absolutely no paper usage internally. We have also urged our suppliers to issue no paper to us in the form of invoices and receipts. All of the traditional paperwork is now transmitted via email and all our customers invoices are kept online in PDF format for download at their convenience. This makes Landmark Computers the first company ever to implement such a policy.

We have joined with in an effort to give back by planting a tree for every 10 customers who place confirmed orders with us. Visit their website to see the difference you can make for only R50 today.

E-Waste Policy

We have aligned ourselves with to safely recycle all left over hardware and accessories from old or broken computers. To better understand the concept and the principles of ECYCLE we have copied this from their website:

What happens at ecycle?

All electric or electronic waste (e-waste) collected by ECYCLE will be dismantled and divided into the different material groups, which are mainly steel, light steel, plastic, aluminium, copper and several other materials. Hazardous materials will be cautiously removed and safely disposed so they cannot harm the life and health of others. The recovered materials will be sold to other companies that specialize in the recycling of each specific material, for further processing. Opposed to plastics, metals can be reused without limits and forever. Nevertheless there are numerous items that can be produced out of old plastic as for example garden furniture. Printed circuit boards contain many precious and special metals. These metals can be recovered by specialized smelters.

Ecycle Electronic Recycling (PTY) LTD will make sure that all data on received electronic devices will be physically or technically destroyed. We will issue destruction certificates if required.

What is e-waste made of?

  • Electronic waste substances
  • Substances found in large quantities include epoxy resins, fibreglass, PCBs, PVC (polyvinyl chlorides), thermosetting plastics, lead, tin, copper, silicon, beryllium, carbon, iron and aluminium.
  • Elements found in small amounts include cadmium, mercury, and thallium.
  • Elements found in trace amounts include americium, antimony, arsenic, barium, bismuth, boron, cobalt, europium, gallium, germanium, gold, indium, lithium, manganese, nickel, niobium, palladium, platinum, rhodium, ruthenium, selenium, silver, tantalum, terbium, thorium, titanium, vanadium, and yttrium.

Almost all electronics contain lead and tin (as solder) and copper (as wire and printed circuit board tracks), though the use of lead-free solder is now spreading rapidly. The following are ordinary applications:

  • Hazardous substances!!!
  • Americium: smoke alarms (radioactive source).
  • Mercury: fluorescent tubes (numerous applications), tilt switches (pinball games, mechanical doorbells, thermostats). With new technologies arising, the elimination of mercury in many new-model computers is taking place.
  • Sulphur: lead-acid batteries.
  • PCBs: prior to ban, almost all 1930s to 1970s equipment, including capacitors, transformers, wiring insulation, paints, inks, and flexible sealants.
  • Cadmium: light-sensitive resistors, corrosion-resistant alloys for marine and aviation environments, nickel-cadmium batteries.
  • Lead: old solder, CRT monitor glass, lead-acid batteries, some formulations of PVC. A typical 15-inch cathode ray tube may contain 1.5 pounds of lead, but other CRTs have been estimated as having up to 8 pounds of lead.
  • Beryllium oxide: filler in some thermal interface materials such as thermal grease used on heat sinks for CPUs and power transistors, magnetrons, X-ray-transparent ceramic windows, heat transfer fins in vacuum tubes, and gas lasers.
  • Polyvinyl chloride: Third most widely produced plastic, contains additional chemicals to change the chemical consistency of the product. Some of these additional chemicals called additives can leach out of vinyl products. Plasticizers that must be added to make PVC flexible have been additives of particular concern.

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